Home / 752,748,962.40-1,128,998,206.80-227,993,301.54

Finding the Fourth Proportional to 752,748,962.40, 1,128,998,206.80 and 227,993,301.54

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Solution

The fourth proportional to 752,748,962.40, 1,128,998,206.80 and 227,993,301.54 is: 341,952,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,748,962.40 : 1,128,998,206.80 = 227,993,301.54 : x
  2. Step 2: Convert to fraction form
    752,748,962.40/1,128,998,206.80 = 227,993,301.54/x
  3. Step 3: Cross multiply
    752,748,962.40x = 1,128,998,206.80 × 227,993,301.54
  4. Step 4: Simplify right side
    752,748,962.40x = 257,404,028,601,071,648
  5. Step 5: Solve for x
    x = 257,404,028,601,071,648/752,748,962.40
  6. Step 6: Final answer
    x = 341,952,020.47

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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.