Home / 650,774,489.76-976,198,626.40-208,156,047.36

Finding the Fourth Proportional to 650,774,489.76, 976,198,626.40 and 208,156,047.36

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Solution

The fourth proportional to 650,774,489.76, 976,198,626.40 and 208,156,047.36 is: 312,245,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,774,489.76 : 976,198,626.40 = 208,156,047.36 : x
  2. Step 2: Convert to fraction form
    650,774,489.76/976,198,626.40 = 208,156,047.36/x
  3. Step 3: Cross multiply
    650,774,489.76x = 976,198,626.40 × 208,156,047.36
  4. Step 4: Simplify right side
    650,774,489.76x = 203,201,647,509,685,344
  5. Step 5: Solve for x
    x = 203,201,647,509,685,344/650,774,489.76
  6. Step 6: Final answer
    x = 312,245,871.20

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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.