Home / 1,092,001,008.60-1,638,001,512.90-437,053,120.20

Finding the Fourth Proportional to 1,092,001,008.60, 1,638,001,512.90 and 437,053,120.20

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Solution

The fourth proportional to 1,092,001,008.60, 1,638,001,512.90 and 437,053,120.20 is: 655,579,680.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,001,008.60 : 1,638,001,512.90 = 437,053,120.20 : x
  2. Step 2: Convert to fraction form
    1,092,001,008.60/1,638,001,512.90 = 437,053,120.20/x
  3. Step 3: Cross multiply
    1,092,001,008.60x = 1,638,001,512.90 × 437,053,120.20
  4. Step 4: Simplify right side
    1,092,001,008.60x = 715,893,672,105,265,536
  5. Step 5: Solve for x
    x = 715,893,672,105,265,536/1,092,001,008.60
  6. Step 6: Final answer
    x = 655,579,680.30

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Double scale
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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.