Home / 673,989,187.20-1,010,983,780.80-382,743,772.80

Finding the Fourth Proportional to 673,989,187.20, 1,010,983,780.80 and 382,743,772.80

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Solution

The fourth proportional to 673,989,187.20, 1,010,983,780.80 and 382,743,772.80 is: 574,115,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,989,187.20 : 1,010,983,780.80 = 382,743,772.80 : x
  2. Step 2: Convert to fraction form
    673,989,187.20/1,010,983,780.80 = 382,743,772.80/x
  3. Step 3: Cross multiply
    673,989,187.20x = 1,010,983,780.80 × 382,743,772.80
  4. Step 4: Simplify right side
    673,989,187.20x = 386,947,746,503,000,192
  5. Step 5: Solve for x
    x = 386,947,746,503,000,192/673,989,187.20
  6. Step 6: Final answer
    x = 574,115,659.20

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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.