Home / 70,081,580,830.78-105,122,372,460.54-17,022,256,423.63

Finding the Fourth Proportional to 70,081,580,830.78, 105,122,372,460.54 and 17,022,256,423.63

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Solution

The fourth proportional to 70,081,580,830.78, 105,122,372,460.54 and 17,022,256,423.63 is: 25,533,384,930.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,081,580,830.78 : 105,122,372,460.54 = 17,022,256,423.63 : x
  2. Step 2: Convert to fraction form
    70,081,580,830.78/105,122,372,460.54 = 17,022,256,423.63/x
  3. Step 3: Cross multiply
    70,081,580,830.78x = 105,122,372,460.54 × 17,022,256,423.63
  4. Step 4: Simplify right side
    70,081,580,830.78x = 1,789,419,979,883,652,317,184
  5. Step 5: Solve for x
    x = 1,789,419,979,883,652,317,184/70,081,580,830.78
  6. Step 6: Final answer
    x = 25,533,384,930.41

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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.