Home / 620,752,055.88-931,200,123.60-206,265,867.24

Finding the Fourth Proportional to 620,752,055.88, 931,200,123.60 and 206,265,867.24

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Solution

The fourth proportional to 620,752,055.88, 931,200,123.60 and 206,265,867.24 is: 309,422,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,752,055.88 : 931,200,123.60 = 206,265,867.24 : x
  2. Step 2: Convert to fraction form
    620,752,055.88/931,200,123.60 = 206,265,867.24/x
  3. Step 3: Cross multiply
    620,752,055.88x = 931,200,123.60 × 206,265,867.24
  4. Step 4: Simplify right side
    620,752,055.88x = 192,074,801,068,349,216
  5. Step 5: Solve for x
    x = 192,074,801,068,349,216/620,752,055.88
  6. Step 6: Final answer
    x = 309,422,738.51

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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.