Home / 1,644,454,319.15-2,466,681,478.73-815,087,494.55

Finding the Fourth Proportional to 1,644,454,319.15, 2,466,681,478.73 and 815,087,494.55

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Solution

The fourth proportional to 1,644,454,319.15, 2,466,681,478.73 and 815,087,494.55 is: 1,222,631,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,454,319.15 : 2,466,681,478.73 = 815,087,494.55 : x
  2. Step 2: Convert to fraction form
    1,644,454,319.15/2,466,681,478.73 = 815,087,494.55/x
  3. Step 3: Cross multiply
    1,644,454,319.15x = 2,466,681,478.73 × 815,087,494.55
  4. Step 4: Simplify right side
    1,644,454,319.15x = 2,010,561,226,350,924,800
  5. Step 5: Solve for x
    x = 2,010,561,226,350,924,800/1,644,454,319.15
  6. Step 6: Final answer
    x = 1,222,631,241.83

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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.