Home / 2,213,348,086.77-3,054,412,944.28-1,209,765,072.80

Finding the Fourth Proportional to 2,213,348,086.77, 3,054,412,944.28 and 1,209,765,072.80

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Solution

The fourth proportional to 2,213,348,086.77, 3,054,412,944.28 and 1,209,765,072.80 is: 1,669,471,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213,348,086.77 : 3,054,412,944.28 = 1,209,765,072.80 : x
  2. Step 2: Convert to fraction form
    2,213,348,086.77/3,054,412,944.28 = 1,209,765,072.80/x
  3. Step 3: Cross multiply
    2,213,348,086.77x = 3,054,412,944.28 × 1,209,765,072.80
  4. Step 4: Simplify right side
    2,213,348,086.77x = 3,695,122,097,898,156,544
  5. Step 5: Solve for x
    x = 3,695,122,097,898,156,544/2,213,348,086.77
  6. Step 6: Final answer
    x = 1,669,471,747.34

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Double scale
Find fourth proportional to 2,213,348,087.77, 3,054,412,945.66 and 1,209,765,073.80
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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.