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Finding the Fourth Proportional to 498,636,000.32, 747,954,000.48 and 498,636,000.32

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Solution

The fourth proportional to 498,636,000.32, 747,954,000.48 and 498,636,000.32 is: 747,954,000.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,636,000.32 : 747,954,000.48 = 498,636,000.32 : x
  2. Step 2: Convert to fraction form
    498,636,000.32/747,954,000.48 = 498,636,000.32/x
  3. Step 3: Cross multiply
    498,636,000.32x = 747,954,000.48 × 498,636,000.32
  4. Step 4: Simplify right side
    498,636,000.32x = 372,956,791,218,950,784
  5. Step 5: Solve for x
    x = 372,956,791,218,950,784/498,636,000.32
  6. Step 6: Final answer
    x = 747,954,000.48

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1.5x scale

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.