Home / 3,689,834,138.28-5,087,352,196.08-3,079,656,166.50

Finding the Fourth Proportional to 3,689,834,138.28, 5,087,352,196.08 and 3,079,656,166.50

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Solution

The fourth proportional to 3,689,834,138.28, 5,087,352,196.08 and 3,079,656,166.50 is: 4,246,070,412.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,834,138.28 : 5,087,352,196.08 = 3,079,656,166.50 : x
  2. Step 2: Convert to fraction form
    3,689,834,138.28/5,087,352,196.08 = 3,079,656,166.50/x
  3. Step 3: Cross multiply
    3,689,834,138.28x = 5,087,352,196.08 × 3,079,656,166.50
  4. Step 4: Simplify right side
    3,689,834,138.28x = 15,667,295,561,815,089,152
  5. Step 5: Solve for x
    x = 15,667,295,561,815,089,152/3,689,834,138.28
  6. Step 6: Final answer
    x = 4,246,070,412.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.