Home / 427,558,129.40-641,337,194.10-366,336,126.20

Finding the Fourth Proportional to 427,558,129.40, 641,337,194.10 and 366,336,126.20

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Solution

The fourth proportional to 427,558,129.40, 641,337,194.10 and 366,336,126.20 is: 549,504,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,558,129.40 : 641,337,194.10 = 366,336,126.20 : x
  2. Step 2: Convert to fraction form
    427,558,129.40/641,337,194.10 = 366,336,126.20/x
  3. Step 3: Cross multiply
    427,558,129.40x = 641,337,194.10 × 366,336,126.20
  4. Step 4: Simplify right side
    427,558,129.40x = 234,944,983,274,571,488
  5. Step 5: Solve for x
    x = 234,944,983,274,571,488/427,558,129.40
  6. Step 6: Final answer
    x = 549,504,189.30

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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.