Home / 2,978,694,583.20-4,468,041,874.80-1,945,573,279.20

Finding the Fourth Proportional to 2,978,694,583.20, 4,468,041,874.80 and 1,945,573,279.20

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Solution

The fourth proportional to 2,978,694,583.20, 4,468,041,874.80 and 1,945,573,279.20 is: 2,918,359,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,694,583.20 : 4,468,041,874.80 = 1,945,573,279.20 : x
  2. Step 2: Convert to fraction form
    2,978,694,583.20/4,468,041,874.80 = 1,945,573,279.20/x
  3. Step 3: Cross multiply
    2,978,694,583.20x = 4,468,041,874.80 × 1,945,573,279.20
  4. Step 4: Simplify right side
    2,978,694,583.20x = 8,692,902,881,957,552,128
  5. Step 5: Solve for x
    x = 8,692,902,881,957,552,128/2,978,694,583.20
  6. Step 6: Final answer
    x = 2,918,359,918.80

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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.