Home / 1,257,523,652.82-1,735,332,116.22-685,294,553.97

Finding the Fourth Proportional to 1,257,523,652.82, 1,735,332,116.22 and 685,294,553.97

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Solution

The fourth proportional to 1,257,523,652.82, 1,735,332,116.22 and 685,294,553.97 is: 945,678,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,523,652.82 : 1,735,332,116.22 = 685,294,553.97 : x
  2. Step 2: Convert to fraction form
    1,257,523,652.82/1,735,332,116.22 = 685,294,553.97/x
  3. Step 3: Cross multiply
    1,257,523,652.82x = 1,735,332,116.22 × 685,294,553.97
  4. Step 4: Simplify right side
    1,257,523,652.82x = 1,189,213,648,574,801,152
  5. Step 5: Solve for x
    x = 1,189,213,648,574,801,152/1,257,523,652.82
  6. Step 6: Final answer
    x = 945,678,950.78

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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.