Home / 392,615,090.72-541,776,966.48-227,613,289.04

Finding the Fourth Proportional to 392,615,090.72, 541,776,966.48 and 227,613,289.04

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Solution

The fourth proportional to 392,615,090.72, 541,776,966.48 and 227,613,289.04 is: 314,087,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,615,090.72 : 541,776,966.48 = 227,613,289.04 : x
  2. Step 2: Convert to fraction form
    392,615,090.72/541,776,966.48 = 227,613,289.04/x
  3. Step 3: Cross multiply
    392,615,090.72x = 541,776,966.48 × 227,613,289.04
  4. Step 4: Simplify right side
    392,615,090.72x = 123,315,637,266,626,624
  5. Step 5: Solve for x
    x = 123,315,637,266,626,624/392,615,090.72
  6. Step 6: Final answer
    x = 314,087,869.22

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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.