Home / 433,932,919.47-598,480,941.20-285,406,517.79

Finding the Fourth Proportional to 433,932,919.47, 598,480,941.20 and 285,406,517.79

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Solution

The fourth proportional to 433,932,919.47, 598,480,941.20 and 285,406,517.79 is: 393,633,102.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,932,919.47 : 598,480,941.20 = 285,406,517.79 : x
  2. Step 2: Convert to fraction form
    433,932,919.47/598,480,941.20 = 285,406,517.79/x
  3. Step 3: Cross multiply
    433,932,919.47x = 598,480,941.20 × 285,406,517.79
  4. Step 4: Simplify right side
    433,932,919.47x = 170,810,361,390,146,752
  5. Step 5: Solve for x
    x = 170,810,361,390,146,752/433,932,919.47
  6. Step 6: Final answer
    x = 393,633,102.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.