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Finding the Fourth Proportional to 653,508,001.80, 980,262,002.70 and 653,508,001.80

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Solution

The fourth proportional to 653,508,001.80, 980,262,002.70 and 653,508,001.80 is: 980,262,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,508,001.80 : 980,262,002.70 = 653,508,001.80 : x
  2. Step 2: Convert to fraction form
    653,508,001.80/980,262,002.70 = 653,508,001.80/x
  3. Step 3: Cross multiply
    653,508,001.80x = 980,262,002.70 × 653,508,001.80
  4. Step 4: Simplify right side
    653,508,001.80x = 640,609,062,624,943,232
  5. Step 5: Solve for x
    x = 640,609,062,624,943,232/653,508,001.80
  6. Step 6: Final answer
    x = 980,262,002.70

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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.