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Finding the Fourth Proportional to 498,074,918.07, 747,565,747.65 and 265,101,222

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Solution

The fourth proportional to 498,074,918.07, 747,565,747.65 and 265,101,222 is: 397,893,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,074,918.07 : 747,565,747.65 = 265,101,222 : x
  2. Step 2: Convert to fraction form
    498,074,918.07/747,565,747.65 = 265,101,222/x
  3. Step 3: Cross multiply
    498,074,918.07x = 747,565,747.65 × 265,101,222
  4. Step 4: Simplify right side
    498,074,918.07x = 198,180,593,227,358,624
  5. Step 5: Solve for x
    x = 198,180,593,227,358,624/498,074,918.07
  6. Step 6: Final answer
    x = 397,893,140.24

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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.