Home / 689,723,999.90-1,034,585,999.85-614,897,107.10

Finding the Fourth Proportional to 689,723,999.90, 1,034,585,999.85 and 614,897,107.10

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Solution

The fourth proportional to 689,723,999.90, 1,034,585,999.85 and 614,897,107.10 is: 922,345,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,723,999.90 : 1,034,585,999.85 = 614,897,107.10 : x
  2. Step 2: Convert to fraction form
    689,723,999.90/1,034,585,999.85 = 614,897,107.10/x
  3. Step 3: Cross multiply
    689,723,999.90x = 1,034,585,999.85 × 614,897,107.10
  4. Step 4: Simplify right side
    689,723,999.90x = 636,163,938,353,926,016
  5. Step 5: Solve for x
    x = 636,163,938,353,926,016/689,723,999.90
  6. Step 6: Final answer
    x = 922,345,660.65

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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.