Home / 383,738,378.52-529,560,557.64-207,526,373.76

Finding the Fourth Proportional to 383,738,378.52, 529,560,557.64 and 207,526,373.76

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Solution

The fourth proportional to 383,738,378.52, 529,560,557.64 and 207,526,373.76 is: 286,387,258.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,738,378.52 : 529,560,557.64 = 207,526,373.76 : x
  2. Step 2: Convert to fraction form
    383,738,378.52/529,560,557.64 = 207,526,373.76/x
  3. Step 3: Cross multiply
    383,738,378.52x = 529,560,557.64 × 207,526,373.76
  4. Step 4: Simplify right side
    383,738,378.52x = 109,897,782,213,352,656
  5. Step 5: Solve for x
    x = 109,897,782,213,352,656/383,738,378.52
  6. Step 6: Final answer
    x = 286,387,258.52

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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.