Home / 957,387,515.40-1,436,081,273.10-343,991,752.20

Finding the Fourth Proportional to 957,387,515.40, 1,436,081,273.10 and 343,991,752.20

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Solution

The fourth proportional to 957,387,515.40, 1,436,081,273.10 and 343,991,752.20 is: 515,987,628.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,387,515.40 : 1,436,081,273.10 = 343,991,752.20 : x
  2. Step 2: Convert to fraction form
    957,387,515.40/1,436,081,273.10 = 343,991,752.20/x
  3. Step 3: Cross multiply
    957,387,515.40x = 1,436,081,273.10 × 343,991,752.20
  4. Step 4: Simplify right side
    957,387,515.40x = 494,000,113,435,275,648
  5. Step 5: Solve for x
    x = 494,000,113,435,275,648/957,387,515.40
  6. Step 6: Final answer
    x = 515,987,628.30

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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.