Home / 15,472,972,494.44-21,352,573,685.16-8,698,821,269.59

Finding the Fourth Proportional to 15,472,972,494.44, 21,352,573,685.16 and 8,698,821,269.59

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Solution

The fourth proportional to 15,472,972,494.44, 21,352,573,685.16 and 8,698,821,269.59 is: 12,004,301,190.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,472,972,494.44 : 21,352,573,685.16 = 8,698,821,269.59 : x
  2. Step 2: Convert to fraction form
    15,472,972,494.44/21,352,573,685.16 = 8,698,821,269.59/x
  3. Step 3: Cross multiply
    15,472,972,494.44x = 21,352,573,685.16 × 8,698,821,269.59
  4. Step 4: Simplify right side
    15,472,972,494.44x = 185,742,222,132,957,544,448
  5. Step 5: Solve for x
    x = 185,742,222,132,957,544,448/15,472,972,494.44
  6. Step 6: Final answer
    x = 12,004,301,190.33

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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.