Home / 435,456,440.80-653,184,661.20-327,961,016.80

Finding the Fourth Proportional to 435,456,440.80, 653,184,661.20 and 327,961,016.80

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Solution

The fourth proportional to 435,456,440.80, 653,184,661.20 and 327,961,016.80 is: 491,941,525.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,456,440.80 : 653,184,661.20 = 327,961,016.80 : x
  2. Step 2: Convert to fraction form
    435,456,440.80/653,184,661.20 = 327,961,016.80/x
  3. Step 3: Cross multiply
    435,456,440.80x = 653,184,661.20 × 327,961,016.80
  4. Step 4: Simplify right side
    435,456,440.80x = 214,219,105,645,315,520
  5. Step 5: Solve for x
    x = 214,219,105,645,315,520/435,456,440.80
  6. Step 6: Final answer
    x = 491,941,525.20

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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.