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Finding the Fourth Proportional to 637,680,831.90, 955,009,593.45 and 637,680,831.90

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Solution

The fourth proportional to 637,680,831.90, 955,009,593.45 and 637,680,831.90 is: 955,009,593.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,680,831.90 : 955,009,593.45 = 637,680,831.90 : x
  2. Step 2: Convert to fraction form
    637,680,831.90/955,009,593.45 = 637,680,831.90/x
  3. Step 3: Cross multiply
    637,680,831.90x = 955,009,593.45 × 637,680,831.90
  4. Step 4: Simplify right side
    637,680,831.90x = 608,991,312,023,676,800
  5. Step 5: Solve for x
    x = 608,991,312,023,676,800/637,680,831.90
  6. Step 6: Final answer
    x = 955,009,593.45

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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.