Home / 20,957,036,454.72-28,933,764,638.04-13,340,381,527.44

Finding the Fourth Proportional to 20,957,036,454.72, 28,933,764,638.04 and 13,340,381,527.44

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Solution

The fourth proportional to 20,957,036,454.72, 28,933,764,638.04 and 13,340,381,527.44 is: 18,418,036,354.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,957,036,454.72 : 28,933,764,638.04 = 13,340,381,527.44 : x
  2. Step 2: Convert to fraction form
    20,957,036,454.72/28,933,764,638.04 = 13,340,381,527.44/x
  3. Step 3: Cross multiply
    20,957,036,454.72x = 28,933,764,638.04 × 13,340,381,527.44
  4. Step 4: Simplify right side
    20,957,036,454.72x = 385,987,459,296,605,569,024
  5. Step 5: Solve for x
    x = 385,987,459,296,605,569,024/20,957,036,454.72
  6. Step 6: Final answer
    x = 18,418,036,354.07

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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.