Home / 353,428,617.47-529,965,557.75-205,923,846.40

Finding the Fourth Proportional to 353,428,617.47, 529,965,557.75 and 205,923,846.40

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Solution

The fourth proportional to 353,428,617.47, 529,965,557.75 and 205,923,846.40 is: 308,782,426.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,428,617.47 : 529,965,557.75 = 205,923,846.40 : x
  2. Step 2: Convert to fraction form
    353,428,617.47/529,965,557.75 = 205,923,846.40/x
  3. Step 3: Cross multiply
    353,428,617.47x = 529,965,557.75 × 205,923,846.40
  4. Step 4: Simplify right side
    353,428,617.47x = 109,132,546,110,591,232
  5. Step 5: Solve for x
    x = 109,132,546,110,591,232/353,428,617.47
  6. Step 6: Final answer
    x = 308,782,426.54

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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.