Home / 622,351,533.83-858,894,074.93-354,438,694.51

Finding the Fourth Proportional to 622,351,533.83, 858,894,074.93 and 354,438,694.51

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Solution

The fourth proportional to 622,351,533.83, 858,894,074.93 and 354,438,694.51 is: 489,153,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,351,533.83 : 858,894,074.93 = 354,438,694.51 : x
  2. Step 2: Convert to fraction form
    622,351,533.83/858,894,074.93 = 354,438,694.51/x
  3. Step 3: Cross multiply
    622,351,533.83x = 858,894,074.93 × 354,438,694.51
  4. Step 4: Simplify right side
    622,351,533.83x = 304,425,294,639,302,208
  5. Step 5: Solve for x
    x = 304,425,294,639,302,208/622,351,533.83
  6. Step 6: Final answer
    x = 489,153,280.89

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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.