Home / 472,392,002.20-708,588,003.30-455,173,313.80

Finding the Fourth Proportional to 472,392,002.20, 708,588,003.30 and 455,173,313.80

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Solution

The fourth proportional to 472,392,002.20, 708,588,003.30 and 455,173,313.80 is: 682,759,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,002.20 : 708,588,003.30 = 455,173,313.80 : x
  2. Step 2: Convert to fraction form
    472,392,002.20/708,588,003.30 = 455,173,313.80/x
  3. Step 3: Cross multiply
    472,392,002.20x = 708,588,003.30 × 455,173,313.80
  4. Step 4: Simplify right side
    472,392,002.20x = 322,530,349,580,986,304
  5. Step 5: Solve for x
    x = 322,530,349,580,986,304/472,392,002.20
  6. Step 6: Final answer
    x = 682,759,970.70

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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.