Home / 340,707,959.20-511,061,938.80-231,868,842.40

Finding the Fourth Proportional to 340,707,959.20, 511,061,938.80 and 231,868,842.40

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Solution

The fourth proportional to 340,707,959.20, 511,061,938.80 and 231,868,842.40 is: 347,803,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,707,959.20 : 511,061,938.80 = 231,868,842.40 : x
  2. Step 2: Convert to fraction form
    340,707,959.20/511,061,938.80 = 231,868,842.40/x
  3. Step 3: Cross multiply
    340,707,959.20x = 511,061,938.80 × 231,868,842.40
  4. Step 4: Simplify right side
    340,707,959.20x = 118,499,340,144,255,648
  5. Step 5: Solve for x
    x = 118,499,340,144,255,648/340,707,959.20
  6. Step 6: Final answer
    x = 347,803,263.60

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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.