Home / 11,675,915,642.12-17,516,126,772.96-3,813,214,160.64

Finding the Fourth Proportional to 11,675,915,642.12, 17,516,126,772.96 and 3,813,214,160.64

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Solution

The fourth proportional to 11,675,915,642.12, 17,516,126,772.96 and 3,813,214,160.64 is: 5,720,557,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675,915,642.12 : 17,516,126,772.96 = 3,813,214,160.64 : x
  2. Step 2: Convert to fraction form
    11,675,915,642.12/17,516,126,772.96 = 3,813,214,160.64/x
  3. Step 3: Cross multiply
    11,675,915,642.12x = 17,516,126,772.96 × 3,813,214,160.64
  4. Step 4: Simplify right side
    11,675,915,642.12x = 66,792,742,650,216,488,960
  5. Step 5: Solve for x
    x = 66,792,742,650,216,488,960/11,675,915,642.12
  6. Step 6: Final answer
    x = 5,720,557,144.94

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1.5x scale

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.