Home / 240,285,939.40-360,428,909.10-197,239,218.40

Finding the Fourth Proportional to 240,285,939.40, 360,428,909.10 and 197,239,218.40

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Solution

The fourth proportional to 240,285,939.40, 360,428,909.10 and 197,239,218.40 is: 295,858,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,285,939.40 : 360,428,909.10 = 197,239,218.40 : x
  2. Step 2: Convert to fraction form
    240,285,939.40/360,428,909.10 = 197,239,218.40/x
  3. Step 3: Cross multiply
    240,285,939.40x = 360,428,909.10 × 197,239,218.40
  4. Step 4: Simplify right side
    240,285,939.40x = 71,090,716,319,648,656
  5. Step 5: Solve for x
    x = 71,090,716,319,648,656/240,285,939.40
  6. Step 6: Final answer
    x = 295,858,827.60

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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.