Home / 800,297,341.12-1,104,386,611.20-443,081,038.72

Finding the Fourth Proportional to 800,297,341.12, 1,104,386,611.20 and 443,081,038.72

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Solution

The fourth proportional to 800,297,341.12, 1,104,386,611.20 and 443,081,038.72 is: 611,438,701.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,297,341.12 : 1,104,386,611.20 = 443,081,038.72 : x
  2. Step 2: Convert to fraction form
    800,297,341.12/1,104,386,611.20 = 443,081,038.72/x
  3. Step 3: Cross multiply
    800,297,341.12x = 1,104,386,611.20 × 443,081,038.72
  4. Step 4: Simplify right side
    800,297,341.12x = 489,332,766,838,956,864
  5. Step 5: Solve for x
    x = 489,332,766,838,956,864/800,297,341.12
  6. Step 6: Final answer
    x = 611,438,701.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.