Home / 12,390,338,403.26-18,585,484,405.68-3,882,372,505.56

Finding the Fourth Proportional to 12,390,338,403.26, 18,585,484,405.68 and 3,882,372,505.56

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Solution

The fourth proportional to 12,390,338,403.26, 18,585,484,405.68 and 3,882,372,505.56 is: 5,823,551,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,390,338,403.26 : 18,585,484,405.68 = 3,882,372,505.56 : x
  2. Step 2: Convert to fraction form
    12,390,338,403.26/18,585,484,405.68 = 3,882,372,505.56/x
  3. Step 3: Cross multiply
    12,390,338,403.26x = 18,585,484,405.68 × 3,882,372,505.56
  4. Step 4: Simplify right side
    12,390,338,403.26x = 72,155,773,659,172,634,624
  5. Step 5: Solve for x
    x = 72,155,773,659,172,634,624/12,390,338,403.26
  6. Step 6: Final answer
    x = 5,823,551,489.13

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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.