Home / 1,347,227,123.85-2,020,840,685.78-984,430,067.85

Finding the Fourth Proportional to 1,347,227,123.85, 2,020,840,685.78 and 984,430,067.85

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Solution

The fourth proportional to 1,347,227,123.85, 2,020,840,685.78 and 984,430,067.85 is: 1,476,645,101.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,227,123.85 : 2,020,840,685.78 = 984,430,067.85 : x
  2. Step 2: Convert to fraction form
    1,347,227,123.85/2,020,840,685.78 = 984,430,067.85/x
  3. Step 3: Cross multiply
    1,347,227,123.85x = 2,020,840,685.78 × 984,430,067.85
  4. Step 4: Simplify right side
    1,347,227,123.85x = 1,989,376,333,411,523,840
  5. Step 5: Solve for x
    x = 1,989,376,333,411,523,840/1,347,227,123.85
  6. Step 6: Final answer
    x = 1,476,645,101.78

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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.