Home / 839,331,206.01-1,158,278,180.13-462,979,304.28

Finding the Fourth Proportional to 839,331,206.01, 1,158,278,180.13 and 462,979,304.28

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Solution

The fourth proportional to 839,331,206.01, 1,158,278,180.13 and 462,979,304.28 is: 638,912,055.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,331,206.01 : 1,158,278,180.13 = 462,979,304.28 : x
  2. Step 2: Convert to fraction form
    839,331,206.01/1,158,278,180.13 = 462,979,304.28/x
  3. Step 3: Cross multiply
    839,331,206.01x = 1,158,278,180.13 × 462,979,304.28
  4. Step 4: Simplify right side
    839,331,206.01x = 536,258,825,999,291,968
  5. Step 5: Solve for x
    x = 536,258,825,999,291,968/839,331,206.01
  6. Step 6: Final answer
    x = 638,912,055.41

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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.