Home / 383,671,144.31-529,465,806.02-207,458,717.85

Finding the Fourth Proportional to 383,671,144.31, 529,465,806.02 and 207,458,717.85

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Solution

The fourth proportional to 383,671,144.31, 529,465,806.02 and 207,458,717.85 is: 286,292,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,671,144.31 : 529,465,806.02 = 207,458,717.85 : x
  2. Step 2: Convert to fraction form
    383,671,144.31/529,465,806.02 = 207,458,717.85/x
  3. Step 3: Cross multiply
    383,671,144.31x = 529,465,806.02 × 207,458,717.85
  4. Step 4: Simplify right side
    383,671,144.31x = 109,842,297,262,844,656
  5. Step 5: Solve for x
    x = 109,842,297,262,844,656/383,671,144.31
  6. Step 6: Final answer
    x = 286,292,828.88

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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.