Home / 711,866,747.56-1,067,409,999.42-220,443,592.36

Finding the Fourth Proportional to 711,866,747.56, 1,067,409,999.42 and 220,443,592.36

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Solution

The fourth proportional to 711,866,747.56, 1,067,409,999.42 and 220,443,592.36 is: 330,544,579.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,866,747.56 : 1,067,409,999.42 = 220,443,592.36 : x
  2. Step 2: Convert to fraction form
    711,866,747.56/1,067,409,999.42 = 220,443,592.36/x
  3. Step 3: Cross multiply
    711,866,747.56x = 1,067,409,999.42 × 220,443,592.36
  4. Step 4: Simplify right side
    711,866,747.56x = 235,303,694,793,130,336
  5. Step 5: Solve for x
    x = 235,303,694,793,130,336/711,866,747.56
  6. Step 6: Final answer
    x = 330,544,579.59

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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.