Home / 472,395,977.20-708,593,965.80-165,577,373.20

Finding the Fourth Proportional to 472,395,977.20, 708,593,965.80 and 165,577,373.20

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Solution

The fourth proportional to 472,395,977.20, 708,593,965.80 and 165,577,373.20 is: 248,366,059.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,395,977.20 : 708,593,965.80 = 165,577,373.20 : x
  2. Step 2: Convert to fraction form
    472,395,977.20/708,593,965.80 = 165,577,373.20/x
  3. Step 3: Cross multiply
    472,395,977.20x = 708,593,965.80 × 165,577,373.20
  4. Step 4: Simplify right side
    472,395,977.20x = 117,327,127,522,534,624
  5. Step 5: Solve for x
    x = 117,327,127,522,534,624/472,395,977.20
  6. Step 6: Final answer
    x = 248,366,059.80

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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.