Home / 40,724,156,400.78-61,095,027,024.60-12,396,303,062.76

Finding the Fourth Proportional to 40,724,156,400.78, 61,095,027,024.60 and 12,396,303,062.76

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Solution

The fourth proportional to 40,724,156,400.78, 61,095,027,024.60 and 12,396,303,062.76 is: 18,597,130,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,724,156,400.78 : 61,095,027,024.60 = 12,396,303,062.76 : x
  2. Step 2: Convert to fraction form
    40,724,156,400.78/61,095,027,024.60 = 12,396,303,062.76/x
  3. Step 3: Cross multiply
    40,724,156,400.78x = 61,095,027,024.60 × 12,396,303,062.76
  4. Step 4: Simplify right side
    40,724,156,400.78x = 757,352,470,624,453,918,720
  5. Step 5: Solve for x
    x = 757,352,470,624,453,918,720/40,724,156,400.78
  6. Step 6: Final answer
    x = 18,597,130,979.73

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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.