Home / 412,988,010.70-619,482,016.05-182,712,657.10

Finding the Fourth Proportional to 412,988,010.70, 619,482,016.05 and 182,712,657.10

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Solution

The fourth proportional to 412,988,010.70, 619,482,016.05 and 182,712,657.10 is: 274,068,985.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,988,010.70 : 619,482,016.05 = 182,712,657.10 : x
  2. Step 2: Convert to fraction form
    412,988,010.70/619,482,016.05 = 182,712,657.10/x
  3. Step 3: Cross multiply
    412,988,010.70x = 619,482,016.05 × 182,712,657.10
  4. Step 4: Simplify right side
    412,988,010.70x = 113,187,205,178,160,336
  5. Step 5: Solve for x
    x = 113,187,205,178,160,336/412,988,010.70
  6. Step 6: Final answer
    x = 274,068,985.65

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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.