Home / 240,285,939.90-360,428,909.85-197,239,218.90

Finding the Fourth Proportional to 240,285,939.90, 360,428,909.85 and 197,239,218.90

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Solution

The fourth proportional to 240,285,939.90, 360,428,909.85 and 197,239,218.90 is: 295,858,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,285,939.90 : 360,428,909.85 = 197,239,218.90 : x
  2. Step 2: Convert to fraction form
    240,285,939.90/360,428,909.85 = 197,239,218.90/x
  3. Step 3: Cross multiply
    240,285,939.90x = 360,428,909.85 × 197,239,218.90
  4. Step 4: Simplify right side
    240,285,939.90x = 71,090,716,647,792,520
  5. Step 5: Solve for x
    x = 71,090,716,647,792,520/240,285,939.90
  6. Step 6: Final answer
    x = 295,858,828.35

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1.5x scale

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.