Home / 1,644,454,321.90-2,466,681,482.85-815,087,497.30

Finding the Fourth Proportional to 1,644,454,321.90, 2,466,681,482.85 and 815,087,497.30

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Solution

The fourth proportional to 1,644,454,321.90, 2,466,681,482.85 and 815,087,497.30 is: 1,222,631,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,454,321.90 : 2,466,681,482.85 = 815,087,497.30 : x
  2. Step 2: Convert to fraction form
    1,644,454,321.90/2,466,681,482.85 = 815,087,497.30/x
  3. Step 3: Cross multiply
    1,644,454,321.90x = 2,466,681,482.85 × 815,087,497.30
  4. Step 4: Simplify right side
    1,644,454,321.90x = 2,010,561,236,492,459,264
  5. Step 5: Solve for x
    x = 2,010,561,236,492,459,264/1,644,454,321.90
  6. Step 6: Final answer
    x = 1,222,631,245.95

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Double scale
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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.