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Finding the Fourth Proportional to 498,689,416.40, 748,034,124.60 and 498,689,416.40

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Solution

The fourth proportional to 498,689,416.40, 748,034,124.60 and 498,689,416.40 is: 748,034,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,689,416.40 : 748,034,124.60 = 498,689,416.40 : x
  2. Step 2: Convert to fraction form
    498,689,416.40/748,034,124.60 = 498,689,416.40/x
  3. Step 3: Cross multiply
    498,689,416.40x = 748,034,124.60 × 498,689,416.40
  4. Step 4: Simplify right side
    498,689,416.40x = 373,036,701,044,058,880
  5. Step 5: Solve for x
    x = 373,036,701,044,058,880/498,689,416.40
  6. Step 6: Final answer
    x = 748,034,124.60

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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.