Home / 3,547,511,428.96-5,321,796,265.36-1,306,386,425.61

Finding the Fourth Proportional to 3,547,511,428.96, 5,321,796,265.36 and 1,306,386,425.61

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Solution

The fourth proportional to 3,547,511,428.96, 5,321,796,265.36 and 1,306,386,425.61 is: 1,959,774,489.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547,511,428.96 : 5,321,796,265.36 = 1,306,386,425.61 : x
  2. Step 2: Convert to fraction form
    3,547,511,428.96/5,321,796,265.36 = 1,306,386,425.61/x
  3. Step 3: Cross multiply
    3,547,511,428.96x = 5,321,796,265.36 × 1,306,386,425.61
  4. Step 4: Simplify right side
    3,547,511,428.96x = 6,952,322,400,929,864,704
  5. Step 5: Solve for x
    x = 6,952,322,400,929,864,704/3,547,511,428.96
  6. Step 6: Final answer
    x = 1,959,774,489.85

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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.