Home / 383,738,036.17-529,560,085.71-207,526,031.52

Finding the Fourth Proportional to 383,738,036.17, 529,560,085.71 and 207,526,031.52

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Solution

The fourth proportional to 383,738,036.17, 529,560,085.71 and 207,526,031.52 is: 286,386,786.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,738,036.17 : 529,560,085.71 = 207,526,031.52 : x
  2. Step 2: Convert to fraction form
    383,738,036.17/529,560,085.71 = 207,526,031.52/x
  3. Step 3: Cross multiply
    383,738,036.17x = 529,560,085.71 × 207,526,031.52
  4. Step 4: Simplify right side
    383,738,036.17x = 109,897,503,040,629,632
  5. Step 5: Solve for x
    x = 109,897,503,040,629,632/383,738,036.17
  6. Step 6: Final answer
    x = 286,386,786.51

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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.