Home / 2,209,240,837.28-3,048,816,991.36-1,205,722,769.36

Finding the Fourth Proportional to 2,209,240,837.28, 3,048,816,991.36 and 1,205,722,769.36

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Solution

The fourth proportional to 2,209,240,837.28, 3,048,816,991.36 and 1,205,722,769.36 is: 1,663,932,697.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,240,837.28 : 3,048,816,991.36 = 1,205,722,769.36 : x
  2. Step 2: Convert to fraction form
    2,209,240,837.28/3,048,816,991.36 = 1,205,722,769.36/x
  3. Step 3: Cross multiply
    2,209,240,837.28x = 3,048,816,991.36 × 1,205,722,769.36
  4. Step 4: Simplify right side
    2,209,240,837.28x = 3,676,028,066,094,402,048
  5. Step 5: Solve for x
    x = 3,676,028,066,094,402,048/2,209,240,837.28
  6. Step 6: Final answer
    x = 1,663,932,697.63

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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.