Home / 398,568,842.20-598,105,205.70-234,806,282.20

Finding the Fourth Proportional to 398,568,842.20, 598,105,205.70 and 234,806,282.20

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Solution

The fourth proportional to 398,568,842.20, 598,105,205.70 and 234,806,282.20 is: 352,357,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,568,842.20 : 598,105,205.70 = 234,806,282.20 : x
  2. Step 2: Convert to fraction form
    398,568,842.20/598,105,205.70 = 234,806,282.20/x
  3. Step 3: Cross multiply
    398,568,842.20x = 598,105,205.70 × 234,806,282.20
  4. Step 4: Simplify right side
    398,568,842.20x = 140,438,859,714,883,248
  5. Step 5: Solve for x
    x = 140,438,859,714,883,248/398,568,842.20
  6. Step 6: Final answer
    x = 352,357,848.50

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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.