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Finding the Fourth Proportional to 363,837,251.40, 545,779,496.70 and 191,650,367.40

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Solution

The fourth proportional to 363,837,251.40, 545,779,496.70 and 191,650,367.40 is: 287,487,992.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,837,251.40 : 545,779,496.70 = 191,650,367.40 : x
  2. Step 2: Convert to fraction form
    363,837,251.40/545,779,496.70 = 191,650,367.40/x
  3. Step 3: Cross multiply
    363,837,251.40x = 545,779,496.70 × 191,650,367.40
  4. Step 4: Simplify right side
    363,837,251.40x = 104,598,841,061,942,096
  5. Step 5: Solve for x
    x = 104,598,841,061,942,096/363,837,251.40
  6. Step 6: Final answer
    x = 287,487,992.67

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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.