Home / 472,393,075.80-708,589,613.70-288,727,066.20

Finding the Fourth Proportional to 472,393,075.80, 708,589,613.70 and 288,727,066.20

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Solution

The fourth proportional to 472,393,075.80, 708,589,613.70 and 288,727,066.20 is: 433,090,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,075.80 : 708,589,613.70 = 288,727,066.20 : x
  2. Step 2: Convert to fraction form
    472,393,075.80/708,589,613.70 = 288,727,066.20/x
  3. Step 3: Cross multiply
    472,393,075.80x = 708,589,613.70 × 288,727,066.20
  4. Step 4: Simplify right side
    472,393,075.80x = 204,589,000,303,392,320
  5. Step 5: Solve for x
    x = 204,589,000,303,392,320/472,393,075.80
  6. Step 6: Final answer
    x = 433,090,599.30

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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.