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Finding the Fourth Proportional to 539,797,712.40, 809,696,568.60 and 335,724,368.40

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Solution

The fourth proportional to 539,797,712.40, 809,696,568.60 and 335,724,368.40 is: 503,586,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,797,712.40 : 809,696,568.60 = 335,724,368.40 : x
  2. Step 2: Convert to fraction form
    539,797,712.40/809,696,568.60 = 335,724,368.40/x
  3. Step 3: Cross multiply
    539,797,712.40x = 809,696,568.60 × 335,724,368.40
  4. Step 4: Simplify right side
    539,797,712.40x = 271,834,869,088,882,272
  5. Step 5: Solve for x
    x = 271,834,869,088,882,272/539,797,712.40
  6. Step 6: Final answer
    x = 503,586,552.60

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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.