Home / 622,351,537.83-858,894,080.46-354,438,698.52

Finding the Fourth Proportional to 622,351,537.83, 858,894,080.46 and 354,438,698.52

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Solution

The fourth proportional to 622,351,537.83, 858,894,080.46 and 354,438,698.52 is: 489,153,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,351,537.83 : 858,894,080.46 = 354,438,698.52 : x
  2. Step 2: Convert to fraction form
    622,351,537.83/858,894,080.46 = 354,438,698.52/x
  3. Step 3: Cross multiply
    622,351,537.83x = 858,894,080.46 × 354,438,698.52
  4. Step 4: Simplify right side
    622,351,537.83x = 304,425,300,044,774,592
  5. Step 5: Solve for x
    x = 304,425,300,044,774,592/622,351,537.83
  6. Step 6: Final answer
    x = 489,153,286.43

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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.