Home / 764,871,001.40-1,147,306,502.10-219,541,676.60

Finding the Fourth Proportional to 764,871,001.40, 1,147,306,502.10 and 219,541,676.60

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Solution

The fourth proportional to 764,871,001.40, 1,147,306,502.10 and 219,541,676.60 is: 329,312,514.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,871,001.40 : 1,147,306,502.10 = 219,541,676.60 : x
  2. Step 2: Convert to fraction form
    764,871,001.40/1,147,306,502.10 = 219,541,676.60/x
  3. Step 3: Cross multiply
    764,871,001.40x = 1,147,306,502.10 × 219,541,676.60
  4. Step 4: Simplify right side
    764,871,001.40x = 251,881,593,045,115,392
  5. Step 5: Solve for x
    x = 251,881,593,045,115,392/764,871,001.40
  6. Step 6: Final answer
    x = 329,312,514.90

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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.