Home / 402,294,379.95-603,441,569.93-198,221,035.95

Finding the Fourth Proportional to 402,294,379.95, 603,441,569.93 and 198,221,035.95

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Solution

The fourth proportional to 402,294,379.95, 603,441,569.93 and 198,221,035.95 is: 297,331,553.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,294,379.95 : 603,441,569.93 = 198,221,035.95 : x
  2. Step 2: Convert to fraction form
    402,294,379.95/603,441,569.93 = 198,221,035.95/x
  3. Step 3: Cross multiply
    402,294,379.95x = 603,441,569.93 × 198,221,035.95
  4. Step 4: Simplify right side
    402,294,379.95x = 119,614,813,125,827,840
  5. Step 5: Solve for x
    x = 119,614,813,125,827,840/402,294,379.95
  6. Step 6: Final answer
    x = 297,331,553.93

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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.