Home / 681,008,214.60-1,021,512,321.90-189,797,298.30

Finding the Fourth Proportional to 681,008,214.60, 1,021,512,321.90 and 189,797,298.30

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Solution

The fourth proportional to 681,008,214.60, 1,021,512,321.90 and 189,797,298.30 is: 284,695,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,008,214.60 : 1,021,512,321.90 = 189,797,298.30 : x
  2. Step 2: Convert to fraction form
    681,008,214.60/1,021,512,321.90 = 189,797,298.30/x
  3. Step 3: Cross multiply
    681,008,214.60x = 1,021,512,321.90 × 189,797,298.30
  4. Step 4: Simplify right side
    681,008,214.60x = 193,880,278,876,779,936
  5. Step 5: Solve for x
    x = 193,880,278,876,779,936/681,008,214.60
  6. Step 6: Final answer
    x = 284,695,947.45

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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.