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Finding the Fourth Proportional to 637,680,831.40, 955,009,592.70 and 637,680,831.40

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Solution

The fourth proportional to 637,680,831.40, 955,009,592.70 and 637,680,831.40 is: 955,009,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,680,831.40 : 955,009,592.70 = 637,680,831.40 : x
  2. Step 2: Convert to fraction form
    637,680,831.40/955,009,592.70 = 637,680,831.40/x
  3. Step 3: Cross multiply
    637,680,831.40x = 955,009,592.70 × 637,680,831.40
  4. Step 4: Simplify right side
    637,680,831.40x = 608,991,311,067,911,424
  5. Step 5: Solve for x
    x = 608,991,311,067,911,424/637,680,831.40
  6. Step 6: Final answer
    x = 955,009,592.70

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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.