Home / 43,442,918,865.81-65,129,212,815.57-13,581,879,331.59

Finding the Fourth Proportional to 43,442,918,865.81, 65,129,212,815.57 and 13,581,879,331.59

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Solution

The fourth proportional to 43,442,918,865.81, 65,129,212,815.57 and 13,581,879,331.59 is: 20,361,824,953.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,442,918,865.81 : 65,129,212,815.57 = 13,581,879,331.59 : x
  2. Step 2: Convert to fraction form
    43,442,918,865.81/65,129,212,815.57 = 13,581,879,331.59/x
  3. Step 3: Cross multiply
    43,442,918,865.81x = 65,129,212,815.57 × 13,581,879,331.59
  4. Step 4: Simplify right side
    43,442,918,865.81x = 884,577,109,422,516,731,904
  5. Step 5: Solve for x
    x = 884,577,109,422,516,731,904/43,442,918,865.81
  6. Step 6: Final answer
    x = 20,361,824,953.68

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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.