Home / 28,450,026,151.56-39,261,005,418.60-15,589,979,686.62

Finding the Fourth Proportional to 28,450,026,151.56, 39,261,005,418.60 and 15,589,979,686.62

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Solution

The fourth proportional to 28,450,026,151.56, 39,261,005,418.60 and 15,589,979,686.62 is: 21,514,155,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,450,026,151.56 : 39,261,005,418.60 = 15,589,979,686.62 : x
  2. Step 2: Convert to fraction form
    28,450,026,151.56/39,261,005,418.60 = 15,589,979,686.62/x
  3. Step 3: Cross multiply
    28,450,026,151.56x = 39,261,005,418.60 × 15,589,979,686.62
  4. Step 4: Simplify right side
    28,450,026,151.56x = 612,078,276,952,251,695,104
  5. Step 5: Solve for x
    x = 612,078,276,952,251,695,104/28,450,026,151.56
  6. Step 6: Final answer
    x = 21,514,155,160.76

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1.5x scale

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.