Home / 986,398,744.46-1,361,231,908.35-540,352,383.26

Finding the Fourth Proportional to 986,398,744.46, 1,361,231,908.35 and 540,352,383.26

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Solution

The fourth proportional to 986,398,744.46, 1,361,231,908.35 and 540,352,383.26 is: 745,687,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,398,744.46 : 1,361,231,908.35 = 540,352,383.26 : x
  2. Step 2: Convert to fraction form
    986,398,744.46/1,361,231,908.35 = 540,352,383.26/x
  3. Step 3: Cross multiply
    986,398,744.46x = 1,361,231,908.35 × 540,352,383.26
  4. Step 4: Simplify right side
    986,398,744.46x = 735,544,905,846,480,384
  5. Step 5: Solve for x
    x = 735,544,905,846,480,384/986,398,744.46
  6. Step 6: Final answer
    x = 745,687,187.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.