Home / 1,398,035,219.31-1,929,329,505.14-762,996,442.01

Finding the Fourth Proportional to 1,398,035,219.31, 1,929,329,505.14 and 762,996,442.01

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Solution

The fourth proportional to 1,398,035,219.31, 1,929,329,505.14 and 762,996,442.01 is: 1,052,957,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,035,219.31 : 1,929,329,505.14 = 762,996,442.01 : x
  2. Step 2: Convert to fraction form
    1,398,035,219.31/1,929,329,505.14 = 762,996,442.01/x
  3. Step 3: Cross multiply
    1,398,035,219.31x = 1,929,329,505.14 × 762,996,442.01
  4. Step 4: Simplify right side
    1,398,035,219.31x = 1,472,071,547,873,272,320
  5. Step 5: Solve for x
    x = 1,472,071,547,873,272,320/1,398,035,219.31
  6. Step 6: Final answer
    x = 1,052,957,413.05

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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.