Home / 942,553,813.30-1,412,860,626.88-418,169,869.86

Finding the Fourth Proportional to 942,553,813.30, 1,412,860,626.88 and 418,169,869.86

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Solution

The fourth proportional to 942,553,813.30, 1,412,860,626.88 and 418,169,869.86 is: 626,824,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,553,813.30 : 1,412,860,626.88 = 418,169,869.86 : x
  2. Step 2: Convert to fraction form
    942,553,813.30/1,412,860,626.88 = 418,169,869.86/x
  3. Step 3: Cross multiply
    942,553,813.30x = 1,412,860,626.88 × 418,169,869.86
  4. Step 4: Simplify right side
    942,553,813.30x = 590,815,744,472,727,680
  5. Step 5: Solve for x
    x = 590,815,744,472,727,680/942,553,813.30
  6. Step 6: Final answer
    x = 626,824,416.96

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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.