Home / 342,628,425,441.55-472,838,566,495.47-188,309,574,862.04

Finding the Fourth Proportional to 342,628,425,441.55, 472,838,566,495.47 and 188,309,574,862.04

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Solution

The fourth proportional to 342,628,425,441.55, 472,838,566,495.47 and 188,309,574,862.04 is: 259,873,445,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,628,425,441.55 : 472,838,566,495.47 = 188,309,574,862.04 : x
  2. Step 2: Convert to fraction form
    342,628,425,441.55/472,838,566,495.47 = 188,309,574,862.04/x
  3. Step 3: Cross multiply
    342,628,425,441.55x = 472,838,566,495.47 × 188,309,574,862.04
  4. Step 4: Simplify right side
    342,628,425,441.55x = 89,040,029,435,138,391,670,784
  5. Step 5: Solve for x
    x = 89,040,029,435,138,391,670,784/342,628,425,441.55
  6. Step 6: Final answer
    x = 259,873,445,469.07

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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.