Home / 1,176,715,886.40-1,623,747,753.90-724,522,046.40

Finding the Fourth Proportional to 1,176,715,886.40, 1,623,747,753.90 and 724,522,046.40

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Solution

The fourth proportional to 1,176,715,886.40, 1,623,747,753.90 and 724,522,046.40 is: 999,766,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,715,886.40 : 1,623,747,753.90 = 724,522,046.40 : x
  2. Step 2: Convert to fraction form
    1,176,715,886.40/1,623,747,753.90 = 724,522,046.40/x
  3. Step 3: Cross multiply
    1,176,715,886.40x = 1,623,747,753.90 × 724,522,046.40
  4. Step 4: Simplify right side
    1,176,715,886.40x = 1,176,441,045,493,031,680
  5. Step 5: Solve for x
    x = 1,176,441,045,493,031,680/1,176,715,886.40
  6. Step 6: Final answer
    x = 999,766,433.93

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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.