Home / 711,803,407.80-1,067,705,111.70-252,260,470.20

Finding the Fourth Proportional to 711,803,407.80, 1,067,705,111.70 and 252,260,470.20

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Solution

The fourth proportional to 711,803,407.80, 1,067,705,111.70 and 252,260,470.20 is: 378,390,705.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,803,407.80 : 1,067,705,111.70 = 252,260,470.20 : x
  2. Step 2: Convert to fraction form
    711,803,407.80/1,067,705,111.70 = 252,260,470.20/x
  3. Step 3: Cross multiply
    711,803,407.80x = 1,067,705,111.70 × 252,260,470.20
  4. Step 4: Simplify right side
    711,803,407.80x = 269,339,793,512,385,536
  5. Step 5: Solve for x
    x = 269,339,793,512,385,536/711,803,407.80
  6. Step 6: Final answer
    x = 378,390,705.30

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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.