Home / 2,116,521,743.01-3,174,577,469.13-642,674,507.28

Finding the Fourth Proportional to 2,116,521,743.01, 3,174,577,469.13 and 642,674,507.28

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Solution

The fourth proportional to 2,116,521,743.01, 3,174,577,469.13 and 642,674,507.28 is: 963,949,469.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116,521,743.01 : 3,174,577,469.13 = 642,674,507.28 : x
  2. Step 2: Convert to fraction form
    2,116,521,743.01/3,174,577,469.13 = 642,674,507.28/x
  3. Step 3: Cross multiply
    2,116,521,743.01x = 3,174,577,469.13 × 642,674,507.28
  4. Step 4: Simplify right side
    2,116,521,743.01x = 2,040,220,010,785,785,344
  5. Step 5: Solve for x
    x = 2,040,220,010,785,785,344/2,116,521,743.01
  6. Step 6: Final answer
    x = 963,949,469.23

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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.