Home / 639,077,658,081.84-881,916,268,515.38-346,100,206,559.04

Finding the Fourth Proportional to 639,077,658,081.84, 881,916,268,515.38 and 346,100,206,559.04

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Solution

The fourth proportional to 639,077,658,081.84, 881,916,268,515.38 and 346,100,206,559.04 is: 477,612,382,221.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,077,658,081.84 : 881,916,268,515.38 = 346,100,206,559.04 : x
  2. Step 2: Convert to fraction form
    639,077,658,081.84/881,916,268,515.38 = 346,100,206,559.04/x
  3. Step 3: Cross multiply
    639,077,658,081.84x = 881,916,268,515.38 × 346,100,206,559.04
  4. Step 4: Simplify right side
    639,077,658,081.84x = 305,231,402,700,950,816,686,080
  5. Step 5: Solve for x
    x = 305,231,402,700,950,816,686,080/639,077,658,081.84
  6. Step 6: Final answer
    x = 477,612,382,221.42

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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.