Home / 10,638,657,379.49-15,962,016,457.71-6,387,317,655.05

Finding the Fourth Proportional to 10,638,657,379.49, 15,962,016,457.71 and 6,387,317,655.05

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Solution

The fourth proportional to 10,638,657,379.49, 15,962,016,457.71 and 6,387,317,655.05 is: 9,583,396,277.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638,657,379.49 : 15,962,016,457.71 = 6,387,317,655.05 : x
  2. Step 2: Convert to fraction form
    10,638,657,379.49/15,962,016,457.71 = 6,387,317,655.05/x
  3. Step 3: Cross multiply
    10,638,657,379.49x = 15,962,016,457.71 × 6,387,317,655.05
  4. Step 4: Simplify right side
    10,638,657,379.49x = 101,954,469,530,568,048,640
  5. Step 5: Solve for x
    x = 101,954,469,530,568,048,640/10,638,657,379.49
  6. Step 6: Final answer
    x = 9,583,396,277.73

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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.