Home / 1,539,648,001.70-2,309,472,002.55-927,427,969.70

Finding the Fourth Proportional to 1,539,648,001.70, 2,309,472,002.55 and 927,427,969.70

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Solution

The fourth proportional to 1,539,648,001.70, 2,309,472,002.55 and 927,427,969.70 is: 1,391,141,954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,648,001.70 : 2,309,472,002.55 = 927,427,969.70 : x
  2. Step 2: Convert to fraction form
    1,539,648,001.70/2,309,472,002.55 = 927,427,969.70/x
  3. Step 3: Cross multiply
    1,539,648,001.70x = 2,309,472,002.55 × 927,427,969.70
  4. Step 4: Simplify right side
    1,539,648,001.70x = 2,141,868,930,403,940,096
  5. Step 5: Solve for x
    x = 2,141,868,930,403,940,096/1,539,648,001.70
  6. Step 6: Final answer
    x = 1,391,141,954.55

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Double scale
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Similar ratio
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1.5x scale

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.