Home / 802,554,801,765.68-1,203,945,288,290.30-257,820,641,713.56

Finding the Fourth Proportional to 802,554,801,765.68, 1,203,945,288,290.30 and 257,820,641,713.56

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Solution

The fourth proportional to 802,554,801,765.68, 1,203,945,288,290.30 and 257,820,641,713.56 is: 386,767,291,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,554,801,765.68 : 1,203,945,288,290.30 = 257,820,641,713.56 : x
  2. Step 2: Convert to fraction form
    802,554,801,765.68/1,203,945,288,290.30 = 257,820,641,713.56/x
  3. Step 3: Cross multiply
    802,554,801,765.68x = 1,203,945,288,290.30 × 257,820,641,713.56
  4. Step 4: Simplify right side
    802,554,801,765.68x = 310,401,946,815,022,139,179,008
  5. Step 5: Solve for x
    x = 310,401,946,815,022,139,179,008/802,554,801,765.68
  6. Step 6: Final answer
    x = 386,767,291,320.31

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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.