Home / 839,755,872.80-1,158,863,603.04-468,477,904.18

Finding the Fourth Proportional to 839,755,872.80, 1,158,863,603.04 and 468,477,904.18

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Solution

The fourth proportional to 839,755,872.80, 1,158,863,603.04 and 468,477,904.18 is: 646,499,785.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,755,872.80 : 1,158,863,603.04 = 468,477,904.18 : x
  2. Step 2: Convert to fraction form
    839,755,872.80/1,158,863,603.04 = 468,477,904.18/x
  3. Step 3: Cross multiply
    839,755,872.80x = 1,158,863,603.04 × 468,477,904.18
  4. Step 4: Simplify right side
    839,755,872.80x = 542,901,991,982,662,656
  5. Step 5: Solve for x
    x = 542,901,991,982,662,656/839,755,872.80
  6. Step 6: Final answer
    x = 646,499,785.91

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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.