Home / 363,837,930.40-545,780,515.20-191,651,046.40

Finding the Fourth Proportional to 363,837,930.40, 545,780,515.20 and 191,651,046.40

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Solution

The fourth proportional to 363,837,930.40, 545,780,515.20 and 191,651,046.40 is: 287,489,011.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,837,930.40 : 545,780,515.20 = 191,651,046.40 : x
  2. Step 2: Convert to fraction form
    363,837,930.40/545,780,515.20 = 191,651,046.40/x
  3. Step 3: Cross multiply
    363,837,930.40x = 545,780,515.20 × 191,651,046.40
  4. Step 4: Simplify right side
    363,837,930.40x = 104,599,406,842,811,120
  5. Step 5: Solve for x
    x = 104,599,406,842,811,120/363,837,930.40
  6. Step 6: Final answer
    x = 287,489,011.19

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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.