Home / 2,144,517,786.80-3,213,800,610.12-977,133,345.20

Finding the Fourth Proportional to 2,144,517,786.80, 3,213,800,610.12 and 977,133,345.20

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Solution

The fourth proportional to 2,144,517,786.80, 3,213,800,610.12 and 977,133,345.20 is: 1,464,343,993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144,517,786.80 : 3,213,800,610.12 = 977,133,345.20 : x
  2. Step 2: Convert to fraction form
    2,144,517,786.80/3,213,800,610.12 = 977,133,345.20/x
  3. Step 3: Cross multiply
    2,144,517,786.80x = 3,213,800,610.12 × 977,133,345.20
  4. Step 4: Simplify right side
    2,144,517,786.80x = 3,140,311,740,972,356,608
  5. Step 5: Solve for x
    x = 3,140,311,740,972,356,608/2,144,517,786.80
  6. Step 6: Final answer
    x = 1,464,343,993.93

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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.