Home / 1,291,404,358,612.90-1,782,192,156,624.70-742,696,091,966.10

Finding the Fourth Proportional to 1,291,404,358,612.90, 1,782,192,156,624.70 and 742,696,091,966.10

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Solution

The fourth proportional to 1,291,404,358,612.90, 1,782,192,156,624.70 and 742,696,091,966.10 is: 1,024,951,744,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,404,358,612.90 : 1,782,192,156,624.70 = 742,696,091,966.10 : x
  2. Step 2: Convert to fraction form
    1,291,404,358,612.90/1,782,192,156,624.70 = 742,696,091,966.10/x
  3. Step 3: Cross multiply
    1,291,404,358,612.90x = 1,782,192,156,624.70 × 742,696,091,966.10
  4. Step 4: Simplify right side
    1,291,404,358,612.90x = 1,323,627,149,857,800,157,396,992
  5. Step 5: Solve for x
    x = 1,323,627,149,857,800,157,396,992/1,291,404,358,612.90
  6. Step 6: Final answer
    x = 1,024,951,744,223.25

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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.