Home / 1,293,274,199.28-1,784,719,110.96-698,558,680.56

Finding the Fourth Proportional to 1,293,274,199.28, 1,784,719,110.96 and 698,558,680.56

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Solution

The fourth proportional to 1,293,274,199.28, 1,784,719,110.96 and 698,558,680.56 is: 964,011,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,274,199.28 : 1,784,719,110.96 = 698,558,680.56 : x
  2. Step 2: Convert to fraction form
    1,293,274,199.28/1,784,719,110.96 = 698,558,680.56/x
  3. Step 3: Cross multiply
    1,293,274,199.28x = 1,784,719,110.96 × 698,558,680.56
  4. Step 4: Simplify right side
    1,293,274,199.28x = 1,246,731,027,322,433,792
  5. Step 5: Solve for x
    x = 1,246,731,027,322,433,792/1,293,274,199.28
  6. Step 6: Final answer
    x = 964,011,365.89

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Double scale
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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.