Home / 1,286,516,552.87-1,924,905,003.57-762,167,080.80

Finding the Fourth Proportional to 1,286,516,552.87, 1,924,905,003.57 and 762,167,080.80

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Solution

The fourth proportional to 1,286,516,552.87, 1,924,905,003.57 and 762,167,080.80 is: 1,140,365,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,516,552.87 : 1,924,905,003.57 = 762,167,080.80 : x
  2. Step 2: Convert to fraction form
    1,286,516,552.87/1,924,905,003.57 = 762,167,080.80/x
  3. Step 3: Cross multiply
    1,286,516,552.87x = 1,924,905,003.57 × 762,167,080.80
  4. Step 4: Simplify right side
    1,286,516,552.87x = 1,467,099,227,388,260,352
  5. Step 5: Solve for x
    x = 1,467,099,227,388,260,352/1,286,516,552.87
  6. Step 6: Final answer
    x = 1,140,365,605.18

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Double scale
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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.