Home / 472,396,041.20-708,342,119.40-199,458,441.20

Finding the Fourth Proportional to 472,396,041.20, 708,342,119.40 and 199,458,441.20

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Solution

The fourth proportional to 472,396,041.20, 708,342,119.40 and 199,458,441.20 is: 299,081,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,041.20 : 708,342,119.40 = 199,458,441.20 : x
  2. Step 2: Convert to fraction form
    472,396,041.20/708,342,119.40 = 199,458,441.20/x
  3. Step 3: Cross multiply
    472,396,041.20x = 708,342,119.40 × 199,458,441.20
  4. Step 4: Simplify right side
    472,396,041.20x = 141,284,814,971,828,272
  5. Step 5: Solve for x
    x = 141,284,814,971,828,272/472,396,041.20
  6. Step 6: Final answer
    x = 299,081,284.87

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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.