Home / 728,304,106.35-1,005,151,718.04-477,619,400.85

Finding the Fourth Proportional to 728,304,106.35, 1,005,151,718.04 and 477,619,400.85

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Solution

The fourth proportional to 728,304,106.35, 1,005,151,718.04 and 477,619,400.85 is: 659,175,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,304,106.35 : 1,005,151,718.04 = 477,619,400.85 : x
  2. Step 2: Convert to fraction form
    728,304,106.35/1,005,151,718.04 = 477,619,400.85/x
  3. Step 3: Cross multiply
    728,304,106.35x = 1,005,151,718.04 × 477,619,400.85
  4. Step 4: Simplify right side
    728,304,106.35x = 480,079,961,328,028,672
  5. Step 5: Solve for x
    x = 480,079,961,328,028,672/728,304,106.35
  6. Step 6: Final answer
    x = 659,175,140.08

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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.