Home / 13,140,786,635.92-18,134,049,172.58-7,424,948,341.58

Finding the Fourth Proportional to 13,140,786,635.92, 18,134,049,172.58 and 7,424,948,341.58

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Solution

The fourth proportional to 13,140,786,635.92, 18,134,049,172.58 and 7,424,948,341.58 is: 10,246,295,146.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,786,635.92 : 18,134,049,172.58 = 7,424,948,341.58 : x
  2. Step 2: Convert to fraction form
    13,140,786,635.92/18,134,049,172.58 = 7,424,948,341.58/x
  3. Step 3: Cross multiply
    13,140,786,635.92x = 18,134,049,172.58 × 7,424,948,341.58
  4. Step 4: Simplify right side
    13,140,786,635.92x = 134,644,378,330,064,486,400
  5. Step 5: Solve for x
    x = 134,644,378,330,064,486,400/13,140,786,635.92
  6. Step 6: Final answer
    x = 10,246,295,146.60

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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.