Home / 1,007,900,098.74-1,511,854,929.92-308,391,118.96

Finding the Fourth Proportional to 1,007,900,098.74, 1,511,854,929.92 and 308,391,118.96

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Solution

The fourth proportional to 1,007,900,098.74, 1,511,854,929.92 and 308,391,118.96 is: 462,588,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,900,098.74 : 1,511,854,929.92 = 308,391,118.96 : x
  2. Step 2: Convert to fraction form
    1,007,900,098.74/1,511,854,929.92 = 308,391,118.96/x
  3. Step 3: Cross multiply
    1,007,900,098.74x = 1,511,854,929.92 × 308,391,118.96
  4. Step 4: Simplify right side
    1,007,900,098.74x = 466,242,633,543,221,184
  5. Step 5: Solve for x
    x = 466,242,633,543,221,184/1,007,900,098.74
  6. Step 6: Final answer
    x = 462,588,141.55

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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.