Home / 323,767,832.10-485,651,748.15-220,455,701.70

Finding the Fourth Proportional to 323,767,832.10, 485,651,748.15 and 220,455,701.70

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Solution

The fourth proportional to 323,767,832.10, 485,651,748.15 and 220,455,701.70 is: 330,683,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,767,832.10 : 485,651,748.15 = 220,455,701.70 : x
  2. Step 2: Convert to fraction form
    323,767,832.10/485,651,748.15 = 220,455,701.70/x
  3. Step 3: Cross multiply
    323,767,832.10x = 485,651,748.15 × 220,455,701.70
  4. Step 4: Simplify right side
    323,767,832.10x = 107,064,696,920,239,920
  5. Step 5: Solve for x
    x = 107,064,696,920,239,920/323,767,832.10
  6. Step 6: Final answer
    x = 330,683,552.55

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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.