Home / 637,972,470.61-956,958,706.45-153,298,278.61

Finding the Fourth Proportional to 637,972,470.61, 956,958,706.45 and 153,298,278.61

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Solution

The fourth proportional to 637,972,470.61, 956,958,706.45 and 153,298,278.61 is: 229,947,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,972,470.61 : 956,958,706.45 = 153,298,278.61 : x
  2. Step 2: Convert to fraction form
    637,972,470.61/956,958,706.45 = 153,298,278.61/x
  3. Step 3: Cross multiply
    637,972,470.61x = 956,958,706.45 × 153,298,278.61
  4. Step 4: Simplify right side
    637,972,470.61x = 146,700,122,397,436,512
  5. Step 5: Solve for x
    x = 146,700,122,397,436,512/637,972,470.61
  6. Step 6: Final answer
    x = 229,947,418.04

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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.