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Finding the Fourth Proportional to 651,260,772.90, 914,183,729.10 and 651,260,772.90

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Solution

The fourth proportional to 651,260,772.90, 914,183,729.10 and 651,260,772.90 is: 914,183,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,260,772.90 : 914,183,729.10 = 651,260,772.90 : x
  2. Step 2: Convert to fraction form
    651,260,772.90/914,183,729.10 = 651,260,772.90/x
  3. Step 3: Cross multiply
    651,260,772.90x = 914,183,729.10 × 651,260,772.90
  4. Step 4: Simplify right side
    651,260,772.90x = 595,372,001,986,270,208
  5. Step 5: Solve for x
    x = 595,372,001,986,270,208/651,260,772.90
  6. Step 6: Final answer
    x = 914,183,729.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.