Home / 10,208,563,261.20-15,312,844,891.80-3,995,663,677.20

Finding the Fourth Proportional to 10,208,563,261.20, 15,312,844,891.80 and 3,995,663,677.20

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Solution

The fourth proportional to 10,208,563,261.20, 15,312,844,891.80 and 3,995,663,677.20 is: 5,993,495,515.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208,563,261.20 : 15,312,844,891.80 = 3,995,663,677.20 : x
  2. Step 2: Convert to fraction form
    10,208,563,261.20/15,312,844,891.80 = 3,995,663,677.20/x
  3. Step 3: Cross multiply
    10,208,563,261.20x = 15,312,844,891.80 × 3,995,663,677.20
  4. Step 4: Simplify right side
    10,208,563,261.20x = 61,184,978,128,762,814,464
  5. Step 5: Solve for x
    x = 61,184,978,128,762,814,464/10,208,563,261.20
  6. Step 6: Final answer
    x = 5,993,495,515.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.