Home / 762,912,365.70-1,144,368,548.55-188,483,693.70

Finding the Fourth Proportional to 762,912,365.70, 1,144,368,548.55 and 188,483,693.70

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Solution

The fourth proportional to 762,912,365.70, 1,144,368,548.55 and 188,483,693.70 is: 282,725,540.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,912,365.70 : 1,144,368,548.55 = 188,483,693.70 : x
  2. Step 2: Convert to fraction form
    762,912,365.70/1,144,368,548.55 = 188,483,693.70/x
  3. Step 3: Cross multiply
    762,912,365.70x = 1,144,368,548.55 × 188,483,693.70
  4. Step 4: Simplify right side
    762,912,365.70x = 215,694,810,984,811,744
  5. Step 5: Solve for x
    x = 215,694,810,984,811,744/762,912,365.70
  6. Step 6: Final answer
    x = 282,725,540.55

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Double scale
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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.