Home / 525,120,200.90-787,680,301.35-253,022,408.90

Finding the Fourth Proportional to 525,120,200.90, 787,680,301.35 and 253,022,408.90

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Solution

The fourth proportional to 525,120,200.90, 787,680,301.35 and 253,022,408.90 is: 379,533,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,120,200.90 : 787,680,301.35 = 253,022,408.90 : x
  2. Step 2: Convert to fraction form
    525,120,200.90/787,680,301.35 = 253,022,408.90/x
  3. Step 3: Cross multiply
    525,120,200.90x = 787,680,301.35 × 253,022,408.90
  4. Step 4: Simplify right side
    525,120,200.90x = 199,300,767,290,654,944
  5. Step 5: Solve for x
    x = 199,300,767,290,654,944/525,120,200.90
  6. Step 6: Final answer
    x = 379,533,613.35

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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.