Home / 922,752,076.10-1,384,128,114.15-485,454,719.30

Finding the Fourth Proportional to 922,752,076.10, 1,384,128,114.15 and 485,454,719.30

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Solution

The fourth proportional to 922,752,076.10, 1,384,128,114.15 and 485,454,719.30 is: 728,182,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,752,076.10 : 1,384,128,114.15 = 485,454,719.30 : x
  2. Step 2: Convert to fraction form
    922,752,076.10/1,384,128,114.15 = 485,454,719.30/x
  3. Step 3: Cross multiply
    922,752,076.10x = 1,384,128,114.15 × 485,454,719.30
  4. Step 4: Simplify right side
    922,752,076.10x = 671,931,525,129,926,656
  5. Step 5: Solve for x
    x = 671,931,525,129,926,656/922,752,076.10
  6. Step 6: Final answer
    x = 728,182,078.95

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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.