Home / 472,392,693.90-708,589,040.85-165,644,948.70

Finding the Fourth Proportional to 472,392,693.90, 708,589,040.85 and 165,644,948.70

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Solution

The fourth proportional to 472,392,693.90, 708,589,040.85 and 165,644,948.70 is: 248,467,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,693.90 : 708,589,040.85 = 165,644,948.70 : x
  2. Step 2: Convert to fraction form
    472,392,693.90/708,589,040.85 = 165,644,948.70/x
  3. Step 3: Cross multiply
    472,392,693.90x = 708,589,040.85 × 165,644,948.70
  4. Step 4: Simplify right side
    472,392,693.90x = 117,374,195,320,980,448
  5. Step 5: Solve for x
    x = 117,374,195,320,980,448/472,392,693.90
  6. Step 6: Final answer
    x = 248,467,423.05

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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.