Home / 472,393,066.80-708,589,600.20-288,727,057.20

Finding the Fourth Proportional to 472,393,066.80, 708,589,600.20 and 288,727,057.20

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Solution

The fourth proportional to 472,393,066.80, 708,589,600.20 and 288,727,057.20 is: 433,090,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,066.80 : 708,589,600.20 = 288,727,057.20 : x
  2. Step 2: Convert to fraction form
    472,393,066.80/708,589,600.20 = 288,727,057.20/x
  3. Step 3: Cross multiply
    472,393,066.80x = 708,589,600.20 × 288,727,057.20
  4. Step 4: Simplify right side
    472,393,066.80x = 204,588,990,028,270,528
  5. Step 5: Solve for x
    x = 204,588,990,028,270,528/472,393,066.80
  6. Step 6: Final answer
    x = 433,090,585.80

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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.