Home / 472,393,728.80-708,590,593.20-165,716,842.40

Finding the Fourth Proportional to 472,393,728.80, 708,590,593.20 and 165,716,842.40

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Solution

The fourth proportional to 472,393,728.80, 708,590,593.20 and 165,716,842.40 is: 248,575,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,728.80 : 708,590,593.20 = 165,716,842.40 : x
  2. Step 2: Convert to fraction form
    472,393,728.80/708,590,593.20 = 165,716,842.40/x
  3. Step 3: Cross multiply
    472,393,728.80x = 708,590,593.20 × 165,716,842.40
  4. Step 4: Simplify right side
    472,393,728.80x = 117,425,395,659,446,928
  5. Step 5: Solve for x
    x = 117,425,395,659,446,928/472,393,728.80
  6. Step 6: Final answer
    x = 248,575,263.60

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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.