Home / 19,941,359,793.70-29,912,039,690.55-8,307,667,531.30

Finding the Fourth Proportional to 19,941,359,793.70, 29,912,039,690.55 and 8,307,667,531.30

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Solution

The fourth proportional to 19,941,359,793.70, 29,912,039,690.55 and 8,307,667,531.30 is: 12,461,501,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941,359,793.70 : 29,912,039,690.55 = 8,307,667,531.30 : x
  2. Step 2: Convert to fraction form
    19,941,359,793.70/29,912,039,690.55 = 8,307,667,531.30/x
  3. Step 3: Cross multiply
    19,941,359,793.70x = 29,912,039,690.55 × 8,307,667,531.30
  4. Step 4: Simplify right side
    19,941,359,793.70x = 248,499,280,932,139,139,072
  5. Step 5: Solve for x
    x = 248,499,280,932,139,139,072/19,941,359,793.70
  6. Step 6: Final answer
    x = 12,461,501,296.95

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1.5x scale

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.