Home / 363,890,736.87-545,641,900.95-188,837,512.91

Finding the Fourth Proportional to 363,890,736.87, 545,641,900.95 and 188,837,512.91

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Solution

The fourth proportional to 363,890,736.87, 545,641,900.95 and 188,837,512.91 is: 283,155,488.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,890,736.87 : 545,641,900.95 = 188,837,512.91 : x
  2. Step 2: Convert to fraction form
    363,890,736.87/545,641,900.95 = 188,837,512.91/x
  3. Step 3: Cross multiply
    363,890,736.87x = 545,641,900.95 × 188,837,512.91
  4. Step 4: Simplify right side
    363,890,736.87x = 103,037,659,512,154,368
  5. Step 5: Solve for x
    x = 103,037,659,512,154,368/363,890,736.87
  6. Step 6: Final answer
    x = 283,155,488.92

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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.