Home / 686,802,186.83-1,030,627,022.54-318,268,446.68

Finding the Fourth Proportional to 686,802,186.83, 1,030,627,022.54 and 318,268,446.68

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Solution

The fourth proportional to 686,802,186.83, 1,030,627,022.54 and 318,268,446.68 is: 477,599,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,802,186.83 : 1,030,627,022.54 = 318,268,446.68 : x
  2. Step 2: Convert to fraction form
    686,802,186.83/1,030,627,022.54 = 318,268,446.68/x
  3. Step 3: Cross multiply
    686,802,186.83x = 1,030,627,022.54 × 318,268,446.68
  4. Step 4: Simplify right side
    686,802,186.83x = 328,016,061,570,239,168
  5. Step 5: Solve for x
    x = 328,016,061,570,239,168/686,802,186.83
  6. Step 6: Final answer
    x = 477,599,034.86

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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.