Home / 264,220,679.40-396,331,019.10-191,283,354.60

Finding the Fourth Proportional to 264,220,679.40, 396,331,019.10 and 191,283,354.60

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Solution

The fourth proportional to 264,220,679.40, 396,331,019.10 and 191,283,354.60 is: 286,925,031.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,220,679.40 : 396,331,019.10 = 191,283,354.60 : x
  2. Step 2: Convert to fraction form
    264,220,679.40/396,331,019.10 = 191,283,354.60/x
  3. Step 3: Cross multiply
    264,220,679.40x = 396,331,019.10 × 191,283,354.60
  4. Step 4: Simplify right side
    264,220,679.40x = 75,811,526,865,484,672
  5. Step 5: Solve for x
    x = 75,811,526,865,484,672/264,220,679.40
  6. Step 6: Final answer
    x = 286,925,031.90

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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.