Home / 28,818,589,647.78-43,171,587,376.49-19,853,195,256.71

Finding the Fourth Proportional to 28,818,589,647.78, 43,171,587,376.49 and 19,853,195,256.71

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Solution

The fourth proportional to 28,818,589,647.78, 43,171,587,376.49 and 19,853,195,256.71 is: 29,741,009,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818,589,647.78 : 43,171,587,376.49 = 19,853,195,256.71 : x
  2. Step 2: Convert to fraction form
    28,818,589,647.78/43,171,587,376.49 = 19,853,195,256.71/x
  3. Step 3: Cross multiply
    28,818,589,647.78x = 43,171,587,376.49 × 19,853,195,256.71
  4. Step 4: Simplify right side
    28,818,589,647.78x = 857,093,953,727,387,009,024
  5. Step 5: Solve for x
    x = 857,093,953,727,387,009,024/28,818,589,647.78
  6. Step 6: Final answer
    x = 29,741,009,681.69

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1.5x scale

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.