Home / 13,407,109,834.05-18,504,063,002.95-7,771,850,721.09

Finding the Fourth Proportional to 13,407,109,834.05, 18,504,063,002.95 and 7,771,850,721.09

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Solution

The fourth proportional to 13,407,109,834.05, 18,504,063,002.95 and 7,771,850,721.09 is: 10,726,459,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,407,109,834.05 : 18,504,063,002.95 = 7,771,850,721.09 : x
  2. Step 2: Convert to fraction form
    13,407,109,834.05/18,504,063,002.95 = 7,771,850,721.09/x
  3. Step 3: Cross multiply
    13,407,109,834.05x = 18,504,063,002.95 × 7,771,850,721.09
  4. Step 4: Simplify right side
    13,407,109,834.05x = 143,810,815,392,532,889,600
  5. Step 5: Solve for x
    x = 143,810,815,392,532,889,600/13,407,109,834.05
  6. Step 6: Final answer
    x = 10,726,459,108.08

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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.