Home / 11,513,484,914.15-15,889,431,366.72-6,363,421,595.25

Finding the Fourth Proportional to 11,513,484,914.15, 15,889,431,366.72 and 6,363,421,595.25

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Solution

The fourth proportional to 11,513,484,914.15, 15,889,431,366.72 and 6,363,421,595.25 is: 8,781,976,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513,484,914.15 : 15,889,431,366.72 = 6,363,421,595.25 : x
  2. Step 2: Convert to fraction form
    11,513,484,914.15/15,889,431,366.72 = 6,363,421,595.25/x
  3. Step 3: Cross multiply
    11,513,484,914.15x = 15,889,431,366.72 × 6,363,421,595.25
  4. Step 4: Simplify right side
    11,513,484,914.15x = 101,111,150,695,228,768,256
  5. Step 5: Solve for x
    x = 101,111,150,695,228,768,256/11,513,484,914.15
  6. Step 6: Final answer
    x = 8,781,976,217.38

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Half scale
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Double scale
Find fourth proportional to 11,513,484,915.15, 15,889,431,368.10 and 6,363,421,596.25
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.