Home / 869,392,088,240.88-1,304,683,821,498.20-303,429,774,767.28

Finding the Fourth Proportional to 869,392,088,240.88, 1,304,683,821,498.20 and 303,429,774,767.28

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Solution

The fourth proportional to 869,392,088,240.88, 1,304,683,821,498.20 and 303,429,774,767.28 is: 455,352,565,837.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,392,088,240.88 : 1,304,683,821,498.20 = 303,429,774,767.28 : x
  2. Step 2: Convert to fraction form
    869,392,088,240.88/1,304,683,821,498.20 = 303,429,774,767.28/x
  3. Step 3: Cross multiply
    869,392,088,240.88x = 1,304,683,821,498.20 × 303,429,774,767.28
  4. Step 4: Simplify right side
    869,392,088,240.88x = 395,879,918,099,713,016,987,648
  5. Step 5: Solve for x
    x = 395,879,918,099,713,016,987,648/869,392,088,240.88
  6. Step 6: Final answer
    x = 455,352,565,837.97

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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.