Home / 804,979,058,851.20-1,206,443,119,723.20-427,851,519,139.20

Finding the Fourth Proportional to 804,979,058,851.20, 1,206,443,119,723.20 and 427,851,519,139.20

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Solution

The fourth proportional to 804,979,058,851.20, 1,206,443,119,723.20 and 427,851,519,139.20 is: 641,232,235,612.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,979,058,851.20 : 1,206,443,119,723.20 = 427,851,519,139.20 : x
  2. Step 2: Convert to fraction form
    804,979,058,851.20/1,206,443,119,723.20 = 427,851,519,139.20/x
  3. Step 3: Cross multiply
    804,979,058,851.20x = 1,206,443,119,723.20 × 427,851,519,139.20
  4. Step 4: Simplify right side
    804,979,058,851.20x = 516,178,521,528,606,824,333,312
  5. Step 5: Solve for x
    x = 516,178,521,528,606,824,333,312/804,979,058,851.20
  6. Step 6: Final answer
    x = 641,232,235,612.76

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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.