Home / 15,083,434,843.38-20,815,785,224.37-8,400,430,336.50

Finding the Fourth Proportional to 15,083,434,843.38, 20,815,785,224.37 and 8,400,430,336.50

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Solution

The fourth proportional to 15,083,434,843.38, 20,815,785,224.37 and 8,400,430,336.50 is: 11,592,953,163.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,083,434,843.38 : 20,815,785,224.37 = 8,400,430,336.50 : x
  2. Step 2: Convert to fraction form
    15,083,434,843.38/20,815,785,224.37 = 8,400,430,336.50/x
  3. Step 3: Cross multiply
    15,083,434,843.38x = 20,815,785,224.37 × 8,400,430,336.50
  4. Step 4: Simplify right side
    15,083,434,843.38x = 174,861,553,676,866,191,360
  5. Step 5: Solve for x
    x = 174,861,553,676,866,191,360/15,083,434,843.38
  6. Step 6: Final answer
    x = 11,592,953,163.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.