Home / 398,569,246.20-598,105,811.70-234,806,686.20

Finding the Fourth Proportional to 398,569,246.20, 598,105,811.70 and 234,806,686.20

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Solution

The fourth proportional to 398,569,246.20, 598,105,811.70 and 234,806,686.20 is: 352,358,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,569,246.20 : 598,105,811.70 = 234,806,686.20 : x
  2. Step 2: Convert to fraction form
    398,569,246.20/598,105,811.70 = 234,806,686.20/x
  3. Step 3: Cross multiply
    398,569,246.20x = 598,105,811.70 × 234,806,686.20
  4. Step 4: Simplify right side
    398,569,246.20x = 140,439,243,642,238,192
  5. Step 5: Solve for x
    x = 140,439,243,642,238,192/398,569,246.20
  6. Step 6: Final answer
    x = 352,358,454.60

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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.