Home / 11,872,625,911.32-16,384,164,213.72-6,447,113,054.76

Finding the Fourth Proportional to 11,872,625,911.32, 16,384,164,213.72 and 6,447,113,054.76

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Solution

The fourth proportional to 11,872,625,911.32, 16,384,164,213.72 and 6,447,113,054.76 is: 8,896,983,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872,625,911.32 : 16,384,164,213.72 = 6,447,113,054.76 : x
  2. Step 2: Convert to fraction form
    11,872,625,911.32/16,384,164,213.72 = 6,447,113,054.76/x
  3. Step 3: Cross multiply
    11,872,625,911.32x = 16,384,164,213.72 × 6,447,113,054.76
  4. Step 4: Simplify right side
    11,872,625,911.32x = 105,630,558,993,605,820,416
  5. Step 5: Solve for x
    x = 105,630,558,993,605,820,416/11,872,625,911.32
  6. Step 6: Final answer
    x = 8,896,983,681.84

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Double scale
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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.