Home / 850,957,338.20-1,276,436,007.30-522,367,367.90

Finding the Fourth Proportional to 850,957,338.20, 1,276,436,007.30 and 522,367,367.90

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Solution

The fourth proportional to 850,957,338.20, 1,276,436,007.30 and 522,367,367.90 is: 783,551,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,957,338.20 : 1,276,436,007.30 = 522,367,367.90 : x
  2. Step 2: Convert to fraction form
    850,957,338.20/1,276,436,007.30 = 522,367,367.90/x
  3. Step 3: Cross multiply
    850,957,338.20x = 1,276,436,007.30 × 522,367,367.90
  4. Step 4: Simplify right side
    850,957,338.20x = 666,768,517,426,086,144
  5. Step 5: Solve for x
    x = 666,768,517,426,086,144/850,957,338.20
  6. Step 6: Final answer
    x = 783,551,051.85

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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.