Home / 412,974,103.22-619,234,735.78-163,726,862.69

Finding the Fourth Proportional to 412,974,103.22, 619,234,735.78 and 163,726,862.69

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Solution

The fourth proportional to 412,974,103.22, 619,234,735.78 and 163,726,862.69 is: 245,500,528.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,974,103.22 : 619,234,735.78 = 163,726,862.69 : x
  2. Step 2: Convert to fraction form
    412,974,103.22/619,234,735.78 = 163,726,862.69/x
  3. Step 3: Cross multiply
    412,974,103.22x = 619,234,735.78 × 163,726,862.69
  4. Step 4: Simplify right side
    412,974,103.22x = 101,385,360,559,683,232
  5. Step 5: Solve for x
    x = 101,385,360,559,683,232/412,974,103.22
  6. Step 6: Final answer
    x = 245,500,528.41

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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.