Home / 472,393,047.20-708,589,570.80-411,926,871.20

Finding the Fourth Proportional to 472,393,047.20, 708,589,570.80 and 411,926,871.20

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Solution

The fourth proportional to 472,393,047.20, 708,589,570.80 and 411,926,871.20 is: 617,890,306.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,047.20 : 708,589,570.80 = 411,926,871.20 : x
  2. Step 2: Convert to fraction form
    472,393,047.20/708,589,570.80 = 411,926,871.20/x
  3. Step 3: Cross multiply
    472,393,047.20x = 708,589,570.80 × 411,926,871.20
  4. Step 4: Simplify right side
    472,393,047.20x = 291,887,084,864,594,880
  5. Step 5: Solve for x
    x = 291,887,084,864,594,880/472,393,047.20
  6. Step 6: Final answer
    x = 617,890,306.80

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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.