Home / 764,871,008.40-1,147,306,512.60-219,541,683.60

Finding the Fourth Proportional to 764,871,008.40, 1,147,306,512.60 and 219,541,683.60

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Solution

The fourth proportional to 764,871,008.40, 1,147,306,512.60 and 219,541,683.60 is: 329,312,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,871,008.40 : 1,147,306,512.60 = 219,541,683.60 : x
  2. Step 2: Convert to fraction form
    764,871,008.40/1,147,306,512.60 = 219,541,683.60/x
  3. Step 3: Cross multiply
    764,871,008.40x = 1,147,306,512.60 × 219,541,683.60
  4. Step 4: Simplify right side
    764,871,008.40x = 251,881,603,381,448,576
  5. Step 5: Solve for x
    x = 251,881,603,381,448,576/764,871,008.40
  6. Step 6: Final answer
    x = 329,312,525.40

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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.