Home / 851,874,777,342.60-1,277,890,718,878.10-278,193,896,970.15

Finding the Fourth Proportional to 851,874,777,342.60, 1,277,890,718,878.10 and 278,193,896,970.15

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Solution

The fourth proportional to 851,874,777,342.60, 1,277,890,718,878.10 and 278,193,896,970.15 is: 417,316,498,201.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,874,777,342.60 : 1,277,890,718,878.10 = 278,193,896,970.15 : x
  2. Step 2: Convert to fraction form
    851,874,777,342.60/1,277,890,718,878.10 = 278,193,896,970.15/x
  3. Step 3: Cross multiply
    851,874,777,342.60x = 1,277,890,718,878.10 × 278,193,896,970.15
  4. Step 4: Simplify right side
    851,874,777,342.60x = 355,501,398,986,685,132,308,480
  5. Step 5: Solve for x
    x = 355,501,398,986,685,132,308,480/851,874,777,342.60
  6. Step 6: Final answer
    x = 417,316,498,201.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.