Home / 402,678,359.15-603,625,804.53-192,534,435.71

Finding the Fourth Proportional to 402,678,359.15, 603,625,804.53 and 192,534,435.71

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Solution

The fourth proportional to 402,678,359.15, 603,625,804.53 and 192,534,435.71 is: 288,614,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,678,359.15 : 603,625,804.53 = 192,534,435.71 : x
  2. Step 2: Convert to fraction form
    402,678,359.15/603,625,804.53 = 192,534,435.71/x
  3. Step 3: Cross multiply
    402,678,359.15x = 603,625,804.53 × 192,534,435.71
  4. Step 4: Simplify right side
    402,678,359.15x = 116,218,753,657,094,160
  5. Step 5: Solve for x
    x = 116,218,753,657,094,160/402,678,359.15
  6. Step 6: Final answer
    x = 288,614,351.92

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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.