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Finding the Fourth Proportional to 539,136,403.80, 808,704,605.70 and 332,207,712.60

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Solution

The fourth proportional to 539,136,403.80, 808,704,605.70 and 332,207,712.60 is: 498,311,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,403.80 : 808,704,605.70 = 332,207,712.60 : x
  2. Step 2: Convert to fraction form
    539,136,403.80/808,704,605.70 = 332,207,712.60/x
  3. Step 3: Cross multiply
    539,136,403.80x = 808,704,605.70 × 332,207,712.60
  4. Step 4: Simplify right side
    539,136,403.80x = 268,657,907,228,681,952
  5. Step 5: Solve for x
    x = 268,657,907,228,681,952/539,136,403.80
  6. Step 6: Final answer
    x = 498,311,568.90

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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.