Home / 452,290,711.80-678,436,067.70-193,532,088.90

Finding the Fourth Proportional to 452,290,711.80, 678,436,067.70 and 193,532,088.90

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Solution

The fourth proportional to 452,290,711.80, 678,436,067.70 and 193,532,088.90 is: 290,298,133.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,290,711.80 : 678,436,067.70 = 193,532,088.90 : x
  2. Step 2: Convert to fraction form
    452,290,711.80/678,436,067.70 = 193,532,088.90/x
  3. Step 3: Cross multiply
    452,290,711.80x = 678,436,067.70 × 193,532,088.90
  4. Step 4: Simplify right side
    452,290,711.80x = 131,299,149,367,082,832
  5. Step 5: Solve for x
    x = 131,299,149,367,082,832/452,290,711.80
  6. Step 6: Final answer
    x = 290,298,133.35

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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.