Home / 38,191,436,808.71-52,701,808,081.60-21,043,330,462.39

Finding the Fourth Proportional to 38,191,436,808.71, 52,701,808,081.60 and 21,043,330,462.39

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Solution

The fourth proportional to 38,191,436,808.71, 52,701,808,081.60 and 21,043,330,462.39 is: 29,038,487,579.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191,436,808.71 : 52,701,808,081.60 = 21,043,330,462.39 : x
  2. Step 2: Convert to fraction form
    38,191,436,808.71/52,701,808,081.60 = 21,043,330,462.39/x
  3. Step 3: Cross multiply
    38,191,436,808.71x = 52,701,808,081.60 × 21,043,330,462.39
  4. Step 4: Simplify right side
    38,191,436,808.71x = 1,109,021,563,426,775,629,824
  5. Step 5: Solve for x
    x = 1,109,021,563,426,775,629,824/38,191,436,808.71
  6. Step 6: Final answer
    x = 29,038,487,579.86

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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.