Home / 472,393,549.80-708,590,324.70-288,727,540.20

Finding the Fourth Proportional to 472,393,549.80, 708,590,324.70 and 288,727,540.20

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Solution

The fourth proportional to 472,393,549.80, 708,590,324.70 and 288,727,540.20 is: 433,091,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,549.80 : 708,590,324.70 = 288,727,540.20 : x
  2. Step 2: Convert to fraction form
    472,393,549.80/708,590,324.70 = 288,727,540.20/x
  3. Step 3: Cross multiply
    472,393,549.80x = 708,590,324.70 × 288,727,540.20
  4. Step 4: Simplify right side
    472,393,549.80x = 204,589,541,460,150,304
  5. Step 5: Solve for x
    x = 204,589,541,460,150,304/472,393,549.80
  6. Step 6: Final answer
    x = 433,091,310.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.