Home / 1,644,454,315.40-2,466,681,473.10-815,087,490.80

Finding the Fourth Proportional to 1,644,454,315.40, 2,466,681,473.10 and 815,087,490.80

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Solution

The fourth proportional to 1,644,454,315.40, 2,466,681,473.10 and 815,087,490.80 is: 1,222,631,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,454,315.40 : 2,466,681,473.10 = 815,087,490.80 : x
  2. Step 2: Convert to fraction form
    1,644,454,315.40/2,466,681,473.10 = 815,087,490.80/x
  3. Step 3: Cross multiply
    1,644,454,315.40x = 2,466,681,473.10 × 815,087,490.80
  4. Step 4: Simplify right side
    1,644,454,315.40x = 2,010,561,212,511,926,528
  5. Step 5: Solve for x
    x = 2,010,561,212,511,926,528/1,644,454,315.40
  6. Step 6: Final answer
    x = 1,222,631,236.20

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Double scale
Find fourth proportional to 1,644,454,316.40, 2,466,681,474.60 and 815,087,491.80
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.