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Finding the Fourth Proportional to 707,774,553.53, 977,147,862.08 and 629,241,191.85

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Solution

The fourth proportional to 707,774,553.53, 977,147,862.08 and 629,241,191.85 is: 868,725,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,774,553.53 : 977,147,862.08 = 629,241,191.85 : x
  2. Step 2: Convert to fraction form
    707,774,553.53/977,147,862.08 = 629,241,191.85/x
  3. Step 3: Cross multiply
    707,774,553.53x = 977,147,862.08 × 629,241,191.85
  4. Step 4: Simplify right side
    707,774,553.53x = 614,861,685,345,752,448
  5. Step 5: Solve for x
    x = 614,861,685,345,752,448/707,774,553.53
  6. Step 6: Final answer
    x = 868,725,333.91

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Double scale
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1.5x scale

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.