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Finding the Fourth Proportional to 498,210,004.53, 747,315,006.79 and 498,210,004.53

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Solution

The fourth proportional to 498,210,004.53, 747,315,006.79 and 498,210,004.53 is: 747,315,006.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,210,004.53 : 747,315,006.79 = 498,210,004.53 : x
  2. Step 2: Convert to fraction form
    498,210,004.53/747,315,006.79 = 498,210,004.53/x
  3. Step 3: Cross multiply
    498,210,004.53x = 747,315,006.79 × 498,210,004.53
  4. Step 4: Simplify right side
    498,210,004.53x = 372,319,812,914,446,272
  5. Step 5: Solve for x
    x = 372,319,812,914,446,272/498,210,004.53
  6. Step 6: Final answer
    x = 747,315,006.79

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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.