Home / 1,759,073,286.89-2,638,934,313.48-578,720,197.73

Finding the Fourth Proportional to 1,759,073,286.89, 2,638,934,313.48 and 578,720,197.73

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Solution

The fourth proportional to 1,759,073,286.89, 2,638,934,313.48 and 578,720,197.73 is: 868,187,015.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,073,286.89 : 2,638,934,313.48 = 578,720,197.73 : x
  2. Step 2: Convert to fraction form
    1,759,073,286.89/2,638,934,313.48 = 578,720,197.73/x
  3. Step 3: Cross multiply
    1,759,073,286.89x = 2,638,934,313.48 × 578,720,197.73
  4. Step 4: Simplify right side
    1,759,073,286.89x = 1,527,204,587,680,432,896
  5. Step 5: Solve for x
    x = 1,527,204,587,680,432,896/1,759,073,286.89
  6. Step 6: Final answer
    x = 868,187,015.89

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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.