Home / 1,720,267,553.88-2,580,789,568.99-523,850,284.50

Finding the Fourth Proportional to 1,720,267,553.88, 2,580,789,568.99 and 523,850,284.50

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Solution

The fourth proportional to 1,720,267,553.88, 2,580,789,568.99 and 523,850,284.50 is: 785,893,651.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,267,553.88 : 2,580,789,568.99 = 523,850,284.50 : x
  2. Step 2: Convert to fraction form
    1,720,267,553.88/2,580,789,568.99 = 523,850,284.50/x
  3. Step 3: Cross multiply
    1,720,267,553.88x = 2,580,789,568.99 × 523,850,284.50
  4. Step 4: Simplify right side
    1,720,267,553.88x = 1,351,947,349,936,902,912
  5. Step 5: Solve for x
    x = 1,351,947,349,936,902,912/1,720,267,553.88
  6. Step 6: Final answer
    x = 785,893,651.77

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Double scale
Find fourth proportional to 1,720,267,554.88, 2,580,789,570.49 and 523,850,285.50
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1.5x scale

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.