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Finding the Fourth Proportional to 545,808,251.80, 818,712,377.70 and 531,459,344.80

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Solution

The fourth proportional to 545,808,251.80, 818,712,377.70 and 531,459,344.80 is: 797,189,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,808,251.80 : 818,712,377.70 = 531,459,344.80 : x
  2. Step 2: Convert to fraction form
    545,808,251.80/818,712,377.70 = 531,459,344.80/x
  3. Step 3: Cross multiply
    545,808,251.80x = 818,712,377.70 × 531,459,344.80
  4. Step 4: Simplify right side
    545,808,251.80x = 435,112,343,832,092,160
  5. Step 5: Solve for x
    x = 435,112,343,832,092,160/545,808,251.80
  6. Step 6: Final answer
    x = 797,189,017.20

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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.