Home / 1,286,517,337.92-1,924,906,181.04-762,167,866.32

Finding the Fourth Proportional to 1,286,517,337.92, 1,924,906,181.04 and 762,167,866.32

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Solution

The fourth proportional to 1,286,517,337.92, 1,924,906,181.04 and 762,167,866.32 is: 1,140,366,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,517,337.92 : 1,924,906,181.04 = 762,167,866.32 : x
  2. Step 2: Convert to fraction form
    1,286,517,337.92/1,924,906,181.04 = 762,167,866.32/x
  3. Step 3: Cross multiply
    1,286,517,337.92x = 1,924,906,181.04 × 762,167,866.32
  4. Step 4: Simplify right side
    1,286,517,337.92x = 1,467,101,636,869,436,416
  5. Step 5: Solve for x
    x = 1,467,101,636,869,436,416/1,286,517,337.92
  6. Step 6: Final answer
    x = 1,140,366,782.19

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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.