Home / 472,399,147.20-708,598,720.80-230,534,443.20

Finding the Fourth Proportional to 472,399,147.20, 708,598,720.80 and 230,534,443.20

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Solution

The fourth proportional to 472,399,147.20, 708,598,720.80 and 230,534,443.20 is: 345,801,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,399,147.20 : 708,598,720.80 = 230,534,443.20 : x
  2. Step 2: Convert to fraction form
    472,399,147.20/708,598,720.80 = 230,534,443.20/x
  3. Step 3: Cross multiply
    472,399,147.20x = 708,598,720.80 × 230,534,443.20
  4. Step 4: Simplify right side
    472,399,147.20x = 163,356,411,551,860,224
  5. Step 5: Solve for x
    x = 163,356,411,551,860,224/472,399,147.20
  6. Step 6: Final answer
    x = 345,801,664.80

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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.