Home / 472,416,187.20-708,624,280.80-264,941,620.80

Finding the Fourth Proportional to 472,416,187.20, 708,624,280.80 and 264,941,620.80

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Solution

The fourth proportional to 472,416,187.20, 708,624,280.80 and 264,941,620.80 is: 397,412,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,416,187.20 : 708,624,280.80 = 264,941,620.80 : x
  2. Step 2: Convert to fraction form
    472,416,187.20/708,624,280.80 = 264,941,620.80/x
  3. Step 3: Cross multiply
    472,416,187.20x = 708,624,280.80 × 264,941,620.80
  4. Step 4: Simplify right side
    472,416,187.20x = 187,744,065,493,386,304
  5. Step 5: Solve for x
    x = 187,744,065,493,386,304/472,416,187.20
  6. Step 6: Final answer
    x = 397,412,431.20

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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.