Home / 295,245,742.20-442,868,613.30-278,239,630.20

Finding the Fourth Proportional to 295,245,742.20, 442,868,613.30 and 278,239,630.20

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Solution

The fourth proportional to 295,245,742.20, 442,868,613.30 and 278,239,630.20 is: 417,359,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,742.20 : 442,868,613.30 = 278,239,630.20 : x
  2. Step 2: Convert to fraction form
    295,245,742.20/442,868,613.30 = 278,239,630.20/x
  3. Step 3: Cross multiply
    295,245,742.20x = 442,868,613.30 × 278,239,630.20
  4. Step 4: Simplify right side
    295,245,742.20x = 123,223,599,191,778,800
  5. Step 5: Solve for x
    x = 123,223,599,191,778,800/295,245,742.20
  6. Step 6: Final answer
    x = 417,359,445.30

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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.