Home / 628,317,542.45-942,160,992.02-366,086,838.35

Finding the Fourth Proportional to 628,317,542.45, 942,160,992.02 and 366,086,838.35

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Solution

The fourth proportional to 628,317,542.45, 942,160,992.02 and 366,086,838.35 is: 548,946,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,317,542.45 : 942,160,992.02 = 366,086,838.35 : x
  2. Step 2: Convert to fraction form
    628,317,542.45/942,160,992.02 = 366,086,838.35/x
  3. Step 3: Cross multiply
    628,317,542.45x = 942,160,992.02 × 366,086,838.35
  4. Step 4: Simplify right side
    628,317,542.45x = 344,912,738,787,199,168
  5. Step 5: Solve for x
    x = 344,912,738,787,199,168/628,317,542.45
  6. Step 6: Final answer
    x = 548,946,536.56

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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.