Home / 15,639,100,216.80-23,458,650,325.20-7,244,989,621.80

Finding the Fourth Proportional to 15,639,100,216.80, 23,458,650,325.20 and 7,244,989,621.80

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Solution

The fourth proportional to 15,639,100,216.80, 23,458,650,325.20 and 7,244,989,621.80 is: 10,867,484,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639,100,216.80 : 23,458,650,325.20 = 7,244,989,621.80 : x
  2. Step 2: Convert to fraction form
    15,639,100,216.80/23,458,650,325.20 = 7,244,989,621.80/x
  3. Step 3: Cross multiply
    15,639,100,216.80x = 23,458,650,325.20 × 7,244,989,621.80
  4. Step 4: Simplify right side
    15,639,100,216.80x = 169,957,678,147,509,190,656
  5. Step 5: Solve for x
    x = 169,957,678,147,509,190,656/15,639,100,216.80
  6. Step 6: Final answer
    x = 10,867,484,432.70

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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.