Home / 586,618,637.45-809,520,700.52-318,687,545.95

Finding the Fourth Proportional to 586,618,637.45, 809,520,700.52 and 318,687,545.95

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Solution

The fourth proportional to 586,618,637.45, 809,520,700.52 and 318,687,545.95 is: 439,781,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,618,637.45 : 809,520,700.52 = 318,687,545.95 : x
  2. Step 2: Convert to fraction form
    586,618,637.45/809,520,700.52 = 318,687,545.95/x
  3. Step 3: Cross multiply
    586,618,637.45x = 809,520,700.52 × 318,687,545.95
  4. Step 4: Simplify right side
    586,618,637.45x = 257,984,165,443,216,608
  5. Step 5: Solve for x
    x = 257,984,165,443,216,608/586,618,637.45
  6. Step 6: Final answer
    x = 439,781,740.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.