Home / 807,887,200.13-1,211,730,500.95-217,723,609.53

Finding the Fourth Proportional to 807,887,200.13, 1,211,730,500.95 and 217,723,609.53

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Solution

The fourth proportional to 807,887,200.13, 1,211,730,500.95 and 217,723,609.53 is: 326,558,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,887,200.13 : 1,211,730,500.95 = 217,723,609.53 : x
  2. Step 2: Convert to fraction form
    807,887,200.13/1,211,730,500.95 = 217,723,609.53/x
  3. Step 3: Cross multiply
    807,887,200.13x = 1,211,730,500.95 × 217,723,609.53
  4. Step 4: Simplify right side
    807,887,200.13x = 263,822,338,449,477,312
  5. Step 5: Solve for x
    x = 263,822,338,449,477,312/807,887,200.13
  6. Step 6: Final answer
    x = 326,558,383.90

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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.