Home / 523,355,589.20-785,033,383.80-329,645,344.70

Finding the Fourth Proportional to 523,355,589.20, 785,033,383.80 and 329,645,344.70

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Solution

The fourth proportional to 523,355,589.20, 785,033,383.80 and 329,645,344.70 is: 494,468,017.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,355,589.20 : 785,033,383.80 = 329,645,344.70 : x
  2. Step 2: Convert to fraction form
    523,355,589.20/785,033,383.80 = 329,645,344.70/x
  3. Step 3: Cross multiply
    523,355,589.20x = 785,033,383.80 × 329,645,344.70
  4. Step 4: Simplify right side
    523,355,589.20x = 258,782,600,403,758,368
  5. Step 5: Solve for x
    x = 258,782,600,403,758,368/523,355,589.20
  6. Step 6: Final answer
    x = 494,468,017.05

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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.