Home / 711,863,965.06-1,067,405,826.65-220,440,804.32

Finding the Fourth Proportional to 711,863,965.06, 1,067,405,826.65 and 220,440,804.32

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Solution

The fourth proportional to 711,863,965.06, 1,067,405,826.65 and 220,440,804.32 is: 330,540,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,863,965.06 : 1,067,405,826.65 = 220,440,804.32 : x
  2. Step 2: Convert to fraction form
    711,863,965.06/1,067,405,826.65 = 220,440,804.32/x
  3. Step 3: Cross multiply
    711,863,965.06x = 1,067,405,826.65 × 220,440,804.32
  4. Step 4: Simplify right side
    711,863,965.06x = 235,299,798,964,146,784
  5. Step 5: Solve for x
    x = 235,299,798,964,146,784/711,863,965.06
  6. Step 6: Final answer
    x = 330,540,398.89

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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.