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Finding the Fourth Proportional to 637,632,143.40, 954,936,560.70 and 637,632,143.40

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Solution

The fourth proportional to 637,632,143.40, 954,936,560.70 and 637,632,143.40 is: 954,936,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,632,143.40 : 954,936,560.70 = 637,632,143.40 : x
  2. Step 2: Convert to fraction form
    637,632,143.40/954,936,560.70 = 637,632,143.40/x
  3. Step 3: Cross multiply
    637,632,143.40x = 954,936,560.70 × 637,632,143.40
  4. Step 4: Simplify right side
    637,632,143.40x = 608,898,246,010,165,248
  5. Step 5: Solve for x
    x = 608,898,246,010,165,248/637,632,143.40
  6. Step 6: Final answer
    x = 954,936,560.70

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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.