Home / 447,259,610.36-670,016,632.86-348,428,557.76

Finding the Fourth Proportional to 447,259,610.36, 670,016,632.86 and 348,428,557.76

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Solution

The fourth proportional to 447,259,610.36, 670,016,632.86 and 348,428,557.76 is: 521,962,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,259,610.36 : 670,016,632.86 = 348,428,557.76 : x
  2. Step 2: Convert to fraction form
    447,259,610.36/670,016,632.86 = 348,428,557.76/x
  3. Step 3: Cross multiply
    447,259,610.36x = 670,016,632.86 × 348,428,557.76
  4. Step 4: Simplify right side
    447,259,610.36x = 233,452,929,062,621,216
  5. Step 5: Solve for x
    x = 233,452,929,062,621,216/447,259,610.36
  6. Step 6: Final answer
    x = 521,962,912.94

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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.