Home / 743,434,684.03-1,025,940,387.81-408,932,654.14

Finding the Fourth Proportional to 743,434,684.03, 1,025,940,387.81 and 408,932,654.14

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Solution

The fourth proportional to 743,434,684.03, 1,025,940,387.81 and 408,932,654.14 is: 564,327,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,434,684.03 : 1,025,940,387.81 = 408,932,654.14 : x
  2. Step 2: Convert to fraction form
    743,434,684.03/1,025,940,387.81 = 408,932,654.14/x
  3. Step 3: Cross multiply
    743,434,684.03x = 1,025,940,387.81 × 408,932,654.14
  4. Step 4: Simplify right side
    743,434,684.03x = 419,540,525,776,564,160
  5. Step 5: Solve for x
    x = 419,540,525,776,564,160/743,434,684.03
  6. Step 6: Final answer
    x = 564,327,350.86

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.