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Finding the Fourth Proportional to 651,260,772.40, 914,183,728.40 and 651,260,772.40

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Solution

The fourth proportional to 651,260,772.40, 914,183,728.40 and 651,260,772.40 is: 914,183,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,260,772.40 : 914,183,728.40 = 651,260,772.40 : x
  2. Step 2: Convert to fraction form
    651,260,772.40/914,183,728.40 = 651,260,772.40/x
  3. Step 3: Cross multiply
    651,260,772.40x = 914,183,728.40 × 651,260,772.40
  4. Step 4: Simplify right side
    651,260,772.40x = 595,372,001,073,295,744
  5. Step 5: Solve for x
    x = 595,372,001,073,295,744/651,260,772.40
  6. Step 6: Final answer
    x = 914,183,728.40

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Double scale
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1.5x scale

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.