Home / 1,447,045,807.54-1,996,924,198.54-811,878,616.30

Finding the Fourth Proportional to 1,447,045,807.54, 1,996,924,198.54 and 811,878,616.30

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Solution

The fourth proportional to 1,447,045,807.54, 1,996,924,198.54 and 811,878,616.30 is: 1,120,393,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,045,807.54 : 1,996,924,198.54 = 811,878,616.30 : x
  2. Step 2: Convert to fraction form
    1,447,045,807.54/1,996,924,198.54 = 811,878,616.30/x
  3. Step 3: Cross multiply
    1,447,045,807.54x = 1,996,924,198.54 × 811,878,616.30
  4. Step 4: Simplify right side
    1,447,045,807.54x = 1,621,260,055,156,656,896
  5. Step 5: Solve for x
    x = 1,621,260,055,156,656,896/1,447,045,807.54
  6. Step 6: Final answer
    x = 1,120,393,042.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.