Home / 1,008,021,867.70-1,512,032,801.55-732,522,853.30

Finding the Fourth Proportional to 1,008,021,867.70, 1,512,032,801.55 and 732,522,853.30

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Solution

The fourth proportional to 1,008,021,867.70, 1,512,032,801.55 and 732,522,853.30 is: 1,098,784,279.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,021,867.70 : 1,512,032,801.55 = 732,522,853.30 : x
  2. Step 2: Convert to fraction form
    1,008,021,867.70/1,512,032,801.55 = 732,522,853.30/x
  3. Step 3: Cross multiply
    1,008,021,867.70x = 1,512,032,801.55 × 732,522,853.30
  4. Step 4: Simplify right side
    1,008,021,867.70x = 1,107,598,582,074,598,528
  5. Step 5: Solve for x
    x = 1,107,598,582,074,598,528/1,008,021,867.70
  6. Step 6: Final answer
    x = 1,098,784,279.95

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Double scale
Find fourth proportional to 1,008,021,868.70, 1,512,032,803.05 and 732,522,854.30
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.