Home / 20,618,690,652.42-30,915,378,563.02-8,012,830,255.88

Finding the Fourth Proportional to 20,618,690,652.42, 30,915,378,563.02 and 8,012,830,255.88

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Solution

The fourth proportional to 20,618,690,652.42, 30,915,378,563.02 and 8,012,830,255.88 is: 12,014,326,462.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,618,690,652.42 : 30,915,378,563.02 = 8,012,830,255.88 : x
  2. Step 2: Convert to fraction form
    20,618,690,652.42/30,915,378,563.02 = 8,012,830,255.88/x
  3. Step 3: Cross multiply
    20,618,690,652.42x = 30,915,378,563.02 × 8,012,830,255.88
  4. Step 4: Simplify right side
    20,618,690,652.42x = 247,719,680,721,750,622,208
  5. Step 5: Solve for x
    x = 247,719,680,721,750,622,208/20,618,690,652.42
  6. Step 6: Final answer
    x = 12,014,326,462.22

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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.