Home / 472,413,612.20-708,620,418.30-165,595,008.20

Finding the Fourth Proportional to 472,413,612.20, 708,620,418.30 and 165,595,008.20

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Solution

The fourth proportional to 472,413,612.20, 708,620,418.30 and 165,595,008.20 is: 248,392,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,413,612.20 : 708,620,418.30 = 165,595,008.20 : x
  2. Step 2: Convert to fraction form
    472,413,612.20/708,620,418.30 = 165,595,008.20/x
  3. Step 3: Cross multiply
    472,413,612.20x = 708,620,418.30 × 165,595,008.20
  4. Step 4: Simplify right side
    472,413,612.20x = 117,344,003,979,075,920
  5. Step 5: Solve for x
    x = 117,344,003,979,075,920/472,413,612.20
  6. Step 6: Final answer
    x = 248,392,512.30

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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.