Home / 323,325,787.20-484,988,680.80-194,331,278.40

Finding the Fourth Proportional to 323,325,787.20, 484,988,680.80 and 194,331,278.40

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Solution

The fourth proportional to 323,325,787.20, 484,988,680.80 and 194,331,278.40 is: 291,496,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,325,787.20 : 484,988,680.80 = 194,331,278.40 : x
  2. Step 2: Convert to fraction form
    323,325,787.20/484,988,680.80 = 194,331,278.40/x
  3. Step 3: Cross multiply
    323,325,787.20x = 484,988,680.80 × 194,331,278.40
  4. Step 4: Simplify right side
    323,325,787.20x = 94,248,470,349,393,536
  5. Step 5: Solve for x
    x = 94,248,470,349,393,536/323,325,787.20
  6. Step 6: Final answer
    x = 291,496,917.60

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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.