Home / 673,612,666.20-1,010,418,999.30-382,367,251.80

Finding the Fourth Proportional to 673,612,666.20, 1,010,418,999.30 and 382,367,251.80

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Solution

The fourth proportional to 673,612,666.20, 1,010,418,999.30 and 382,367,251.80 is: 573,550,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,612,666.20 : 1,010,418,999.30 = 382,367,251.80 : x
  2. Step 2: Convert to fraction form
    673,612,666.20/1,010,418,999.30 = 382,367,251.80/x
  3. Step 3: Cross multiply
    673,612,666.20x = 1,010,418,999.30 × 382,367,251.80
  4. Step 4: Simplify right side
    673,612,666.20x = 386,351,135,928,847,104
  5. Step 5: Solve for x
    x = 386,351,135,928,847,104/673,612,666.20
  6. Step 6: Final answer
    x = 573,550,877.70

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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.