Home / 342,628,425,430.82-472,838,566,480.65-188,309,574,851.31

Finding the Fourth Proportional to 342,628,425,430.82, 472,838,566,480.65 and 188,309,574,851.31

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Solution

The fourth proportional to 342,628,425,430.82, 472,838,566,480.65 and 188,309,574,851.31 is: 259,873,445,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,628,425,430.82 : 472,838,566,480.65 = 188,309,574,851.31 : x
  2. Step 2: Convert to fraction form
    342,628,425,430.82/472,838,566,480.65 = 188,309,574,851.31/x
  3. Step 3: Cross multiply
    342,628,425,430.82x = 472,838,566,480.65 × 188,309,574,851.31
  4. Step 4: Simplify right side
    342,628,425,430.82x = 89,040,029,427,274,088,448,000
  5. Step 5: Solve for x
    x = 89,040,029,427,274,088,448,000/342,628,425,430.82
  6. Step 6: Final answer
    x = 259,873,445,454.26

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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.