Home / 12,111,121,010.20-18,174,806,657.70-4,250,518,130.20

Finding the Fourth Proportional to 12,111,121,010.20, 18,174,806,657.70 and 4,250,518,130.20

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Solution

The fourth proportional to 12,111,121,010.20, 18,174,806,657.70 and 4,250,518,130.20 is: 6,378,628,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111,121,010.20 : 18,174,806,657.70 = 4,250,518,130.20 : x
  2. Step 2: Convert to fraction form
    12,111,121,010.20/18,174,806,657.70 = 4,250,518,130.20/x
  3. Step 3: Cross multiply
    12,111,121,010.20x = 18,174,806,657.70 × 4,250,518,130.20
  4. Step 4: Simplify right side
    12,111,121,010.20x = 77,252,345,211,433,517,056
  5. Step 5: Solve for x
    x = 77,252,345,211,433,517,056/12,111,121,010.20
  6. Step 6: Final answer
    x = 6,378,628,794.67

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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.