Home / 11,758,392,007.20-17,637,588,010.80-5,215,290,415.20

Finding the Fourth Proportional to 11,758,392,007.20, 17,637,588,010.80 and 5,215,290,415.20

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Solution

The fourth proportional to 11,758,392,007.20, 17,637,588,010.80 and 5,215,290,415.20 is: 7,822,935,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758,392,007.20 : 17,637,588,010.80 = 5,215,290,415.20 : x
  2. Step 2: Convert to fraction form
    11,758,392,007.20/17,637,588,010.80 = 5,215,290,415.20/x
  3. Step 3: Cross multiply
    11,758,392,007.20x = 17,637,588,010.80 × 5,215,290,415.20
  4. Step 4: Simplify right side
    11,758,392,007.20x = 91,985,143,699,971,670,016
  5. Step 5: Solve for x
    x = 91,985,143,699,971,670,016/11,758,392,007.20
  6. Step 6: Final answer
    x = 7,822,935,622.80

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1.5x scale

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.