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Finding the Fourth Proportional to 1,079,755,463.04, 1,490,063,976 and 584,719,025.28

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Solution

The fourth proportional to 1,079,755,463.04, 1,490,063,976 and 584,719,025.28 is: 806,913,033.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,755,463.04 : 1,490,063,976 = 584,719,025.28 : x
  2. Step 2: Convert to fraction form
    1,079,755,463.04/1,490,063,976 = 584,719,025.28/x
  3. Step 3: Cross multiply
    1,079,755,463.04x = 1,490,063,976 × 584,719,025.28
  4. Step 4: Simplify right side
    1,079,755,463.04x = 871,268,755,651,561,216
  5. Step 5: Solve for x
    x = 871,268,755,651,561,216/1,079,755,463.04
  6. Step 6: Final answer
    x = 806,913,033.07

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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.