Home / 28,735,560,287.70-43,103,340,431.55-16,980,935,673.30

Finding the Fourth Proportional to 28,735,560,287.70, 43,103,340,431.55 and 16,980,935,673.30

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Solution

The fourth proportional to 28,735,560,287.70, 43,103,340,431.55 and 16,980,935,673.30 is: 25,471,403,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735,560,287.70 : 43,103,340,431.55 = 16,980,935,673.30 : x
  2. Step 2: Convert to fraction form
    28,735,560,287.70/43,103,340,431.55 = 16,980,935,673.30/x
  3. Step 3: Cross multiply
    28,735,560,287.70x = 43,103,340,431.55 × 16,980,935,673.30
  4. Step 4: Simplify right side
    28,735,560,287.70x = 731,935,051,172,501,651,456
  5. Step 5: Solve for x
    x = 731,935,051,172,501,651,456/28,735,560,287.70
  6. Step 6: Final answer
    x = 25,471,403,509.95

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Double scale
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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.