Home / 443,232,040.20-664,848,060.30-298,113,217.80

Finding the Fourth Proportional to 443,232,040.20, 664,848,060.30 and 298,113,217.80

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Solution

The fourth proportional to 443,232,040.20, 664,848,060.30 and 298,113,217.80 is: 447,169,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,040.20 : 664,848,060.30 = 298,113,217.80 : x
  2. Step 2: Convert to fraction form
    443,232,040.20/664,848,060.30 = 298,113,217.80/x
  3. Step 3: Cross multiply
    443,232,040.20x = 664,848,060.30 × 298,113,217.80
  4. Step 4: Simplify right side
    443,232,040.20x = 198,199,994,604,121,440
  5. Step 5: Solve for x
    x = 198,199,994,604,121,440/443,232,040.20
  6. Step 6: Final answer
    x = 447,169,826.70

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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.