Home / 38,698,712,392.36-53,400,816,883.44-21,550,269,863.74

Finding the Fourth Proportional to 38,698,712,392.36, 53,400,816,883.44 and 21,550,269,863.74

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Solution

The fourth proportional to 38,698,712,392.36, 53,400,816,883.44 and 21,550,269,863.74 is: 29,737,475,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,698,712,392.36 : 53,400,816,883.44 = 21,550,269,863.74 : x
  2. Step 2: Convert to fraction form
    38,698,712,392.36/53,400,816,883.44 = 21,550,269,863.74/x
  3. Step 3: Cross multiply
    38,698,712,392.36x = 53,400,816,883.44 × 21,550,269,863.74
  4. Step 4: Simplify right side
    38,698,712,392.36x = 1,150,802,014,782,295,375,872
  5. Step 5: Solve for x
    x = 1,150,802,014,782,295,375,872/38,698,712,392.36
  6. Step 6: Final answer
    x = 29,737,475,580.96

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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.