Home / 705,720,091.77-1,058,440,634.13-670,722,044.70

Finding the Fourth Proportional to 705,720,091.77, 1,058,440,634.13 and 670,722,044.70

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Solution

The fourth proportional to 705,720,091.77, 1,058,440,634.13 and 670,722,044.70 is: 1,005,950,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,720,091.77 : 1,058,440,634.13 = 670,722,044.70 : x
  2. Step 2: Convert to fraction form
    705,720,091.77/1,058,440,634.13 = 670,722,044.70/x
  3. Step 3: Cross multiply
    705,720,091.77x = 1,058,440,634.13 × 670,722,044.70
  4. Step 4: Simplify right side
    705,720,091.77x = 709,919,466,317,238,272
  5. Step 5: Solve for x
    x = 709,919,466,317,238,272/705,720,091.77
  6. Step 6: Final answer
    x = 1,005,950,481.78

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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.