Home / 354,294,669.10-531,442,003.65-331,619,853.10

Finding the Fourth Proportional to 354,294,669.10, 531,442,003.65 and 331,619,853.10

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Solution

The fourth proportional to 354,294,669.10, 531,442,003.65 and 331,619,853.10 is: 497,429,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,669.10 : 531,442,003.65 = 331,619,853.10 : x
  2. Step 2: Convert to fraction form
    354,294,669.10/531,442,003.65 = 331,619,853.10/x
  3. Step 3: Cross multiply
    354,294,669.10x = 531,442,003.65 × 331,619,853.10
  4. Step 4: Simplify right side
    354,294,669.10x = 176,236,719,181,582,656
  5. Step 5: Solve for x
    x = 176,236,719,181,582,656/354,294,669.10
  6. Step 6: Final answer
    x = 497,429,779.65

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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.