Home / 343,819,273.20-515,728,909.80-234,980,156.40

Finding the Fourth Proportional to 343,819,273.20, 515,728,909.80 and 234,980,156.40

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Solution

The fourth proportional to 343,819,273.20, 515,728,909.80 and 234,980,156.40 is: 352,470,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,819,273.20 : 515,728,909.80 = 234,980,156.40 : x
  2. Step 2: Convert to fraction form
    343,819,273.20/515,728,909.80 = 234,980,156.40/x
  3. Step 3: Cross multiply
    343,819,273.20x = 515,728,909.80 × 234,980,156.40
  4. Step 4: Simplify right side
    343,819,273.20x = 121,186,059,884,805,504
  5. Step 5: Solve for x
    x = 121,186,059,884,805,504/343,819,273.20
  6. Step 6: Final answer
    x = 352,470,234.60

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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.