Home / 343,341,349.20-515,012,023.80-234,502,232.40

Finding the Fourth Proportional to 343,341,349.20, 515,012,023.80 and 234,502,232.40

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Solution

The fourth proportional to 343,341,349.20, 515,012,023.80 and 234,502,232.40 is: 351,753,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,341,349.20 : 515,012,023.80 = 234,502,232.40 : x
  2. Step 2: Convert to fraction form
    343,341,349.20/515,012,023.80 = 234,502,232.40/x
  3. Step 3: Cross multiply
    343,341,349.20x = 515,012,023.80 × 234,502,232.40
  4. Step 4: Simplify right side
    343,341,349.20x = 120,771,469,293,941,936
  5. Step 5: Solve for x
    x = 120,771,469,293,941,936/343,341,349.20
  6. Step 6: Final answer
    x = 351,753,348.60

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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.