Home / 1,581,132,432.30-2,181,962,963.40-876,329,916.07

Finding the Fourth Proportional to 1,581,132,432.30, 2,181,962,963.40 and 876,329,916.07

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Solution

The fourth proportional to 1,581,132,432.30, 2,181,962,963.40 and 876,329,916.07 is: 1,209,335,398.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,132,432.30 : 2,181,962,963.40 = 876,329,916.07 : x
  2. Step 2: Convert to fraction form
    1,581,132,432.30/2,181,962,963.40 = 876,329,916.07/x
  3. Step 3: Cross multiply
    1,581,132,432.30x = 2,181,962,963.40 × 876,329,916.07
  4. Step 4: Simplify right side
    1,581,132,432.30x = 1,912,119,420,568,879,104
  5. Step 5: Solve for x
    x = 1,912,119,420,568,879,104/1,581,132,432.30
  6. Step 6: Final answer
    x = 1,209,335,398.80

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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.