Home / 598,752,905.20-898,129,357.80-189,808,399.60

Finding the Fourth Proportional to 598,752,905.20, 898,129,357.80 and 189,808,399.60

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Solution

The fourth proportional to 598,752,905.20, 898,129,357.80 and 189,808,399.60 is: 284,712,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,752,905.20 : 898,129,357.80 = 189,808,399.60 : x
  2. Step 2: Convert to fraction form
    598,752,905.20/898,129,357.80 = 189,808,399.60/x
  3. Step 3: Cross multiply
    598,752,905.20x = 898,129,357.80 × 189,808,399.60
  4. Step 4: Simplify right side
    598,752,905.20x = 170,472,496,037,793,760
  5. Step 5: Solve for x
    x = 170,472,496,037,793,760/598,752,905.20
  6. Step 6: Final answer
    x = 284,712,599.40

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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.