Home / 313,552,629.32-432,726,833.40-188,109,523.40

Finding the Fourth Proportional to 313,552,629.32, 432,726,833.40 and 188,109,523.40

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Solution

The fourth proportional to 313,552,629.32, 432,726,833.40 and 188,109,523.40 is: 259,605,663.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,552,629.32 : 432,726,833.40 = 188,109,523.40 : x
  2. Step 2: Convert to fraction form
    313,552,629.32/432,726,833.40 = 188,109,523.40/x
  3. Step 3: Cross multiply
    313,552,629.32x = 432,726,833.40 × 188,109,523.40
  4. Step 4: Simplify right side
    313,552,629.32x = 81,400,038,393,265,200
  5. Step 5: Solve for x
    x = 81,400,038,393,265,200/313,552,629.32
  6. Step 6: Final answer
    x = 259,605,663.55

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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.