Home / 654,019,620.24-980,221,610.76-561,251,279.28

Finding the Fourth Proportional to 654,019,620.24, 980,221,610.76 and 561,251,279.28

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Solution

The fourth proportional to 654,019,620.24, 980,221,610.76 and 561,251,279.28 is: 841,183,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,019,620.24 : 980,221,610.76 = 561,251,279.28 : x
  2. Step 2: Convert to fraction form
    654,019,620.24/980,221,610.76 = 561,251,279.28/x
  3. Step 3: Cross multiply
    654,019,620.24x = 980,221,610.76 × 561,251,279.28
  4. Step 4: Simplify right side
    654,019,620.24x = 550,150,633,016,952,192
  5. Step 5: Solve for x
    x = 550,150,633,016,952,192/654,019,620.24
  6. Step 6: Final answer
    x = 841,183,683.17

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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.