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Finding the Fourth Proportional to 498,225,334.40, 747,338,001.60 and 498,225,334.40

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Solution

The fourth proportional to 498,225,334.40, 747,338,001.60 and 498,225,334.40 is: 747,338,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,225,334.40 : 747,338,001.60 = 498,225,334.40 : x
  2. Step 2: Convert to fraction form
    498,225,334.40/747,338,001.60 = 498,225,334.40/x
  3. Step 3: Cross multiply
    498,225,334.40x = 747,338,001.60 × 498,225,334.40
  4. Step 4: Simplify right side
    498,225,334.40x = 372,342,725,756,987,712
  5. Step 5: Solve for x
    x = 372,342,725,756,987,712/498,225,334.40
  6. Step 6: Final answer
    x = 747,338,001.60

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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.