Home / 1,581,132,431.42-2,181,962,962.19-876,329,915.19

Finding the Fourth Proportional to 1,581,132,431.42, 2,181,962,962.19 and 876,329,915.19

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Solution

The fourth proportional to 1,581,132,431.42, 2,181,962,962.19 and 876,329,915.19 is: 1,209,335,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,132,431.42 : 2,181,962,962.19 = 876,329,915.19 : x
  2. Step 2: Convert to fraction form
    1,581,132,431.42/2,181,962,962.19 = 876,329,915.19/x
  3. Step 3: Cross multiply
    1,581,132,431.42x = 2,181,962,962.19 × 876,329,915.19
  4. Step 4: Simplify right side
    1,581,132,431.42x = 1,912,119,417,603,684,096
  5. Step 5: Solve for x
    x = 1,912,119,417,603,684,096/1,581,132,431.42
  6. Step 6: Final answer
    x = 1,209,335,397.60

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Half scale
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Double scale
Find fourth proportional to 1,581,132,432.42, 2,181,962,963.57 and 876,329,916.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.