Home / 342,628,425,447.30-472,838,566,503.42-188,309,574,867.81

Finding the Fourth Proportional to 342,628,425,447.30, 472,838,566,503.42 and 188,309,574,867.81

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Solution

The fourth proportional to 342,628,425,447.30, 472,838,566,503.42 and 188,309,574,867.81 is: 259,873,445,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,628,425,447.30 : 472,838,566,503.42 = 188,309,574,867.81 : x
  2. Step 2: Convert to fraction form
    342,628,425,447.30/472,838,566,503.42 = 188,309,574,867.81/x
  3. Step 3: Cross multiply
    342,628,425,447.30x = 472,838,566,503.42 × 188,309,574,867.81
  4. Step 4: Simplify right side
    342,628,425,447.30x = 89,040,029,439,363,716,743,168
  5. Step 5: Solve for x
    x = 89,040,029,439,363,716,743,168/342,628,425,447.30
  6. Step 6: Final answer
    x = 259,873,445,477.04

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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.