Home / 343,341,321.70-515,011,982.55-234,502,204.90

Finding the Fourth Proportional to 343,341,321.70, 515,011,982.55 and 234,502,204.90

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Solution

The fourth proportional to 343,341,321.70, 515,011,982.55 and 234,502,204.90 is: 351,753,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,341,321.70 : 515,011,982.55 = 234,502,204.90 : x
  2. Step 2: Convert to fraction form
    343,341,321.70/515,011,982.55 = 234,502,204.90/x
  3. Step 3: Cross multiply
    343,341,321.70x = 515,011,982.55 × 234,502,204.90
  4. Step 4: Simplify right side
    343,341,321.70x = 120,771,445,457,895,328
  5. Step 5: Solve for x
    x = 120,771,445,457,895,328/343,341,321.70
  6. Step 6: Final answer
    x = 351,753,307.35

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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.