Home / 240,285,940.90-360,428,911.35-197,239,219.90

Finding the Fourth Proportional to 240,285,940.90, 360,428,911.35 and 197,239,219.90

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Solution

The fourth proportional to 240,285,940.90, 360,428,911.35 and 197,239,219.90 is: 295,858,829.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,285,940.90 : 360,428,911.35 = 197,239,219.90 : x
  2. Step 2: Convert to fraction form
    240,285,940.90/360,428,911.35 = 197,239,219.90/x
  3. Step 3: Cross multiply
    240,285,940.90x = 360,428,911.35 × 197,239,219.90
  4. Step 4: Simplify right side
    240,285,940.90x = 71,090,717,304,080,264
  5. Step 5: Solve for x
    x = 71,090,717,304,080,264/240,285,940.90
  6. Step 6: Final answer
    x = 295,858,829.85

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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.