Home / 999,945,155.43-1,379,923,834.54-598,058,897.20

Finding the Fourth Proportional to 999,945,155.43, 1,379,923,834.54 and 598,058,897.20

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Solution

The fourth proportional to 999,945,155.43, 1,379,923,834.54 and 598,058,897.20 is: 825,320,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,945,155.43 : 1,379,923,834.54 = 598,058,897.20 : x
  2. Step 2: Convert to fraction form
    999,945,155.43/1,379,923,834.54 = 598,058,897.20/x
  3. Step 3: Cross multiply
    999,945,155.43x = 1,379,923,834.54 × 598,058,897.20
  4. Step 4: Simplify right side
    999,945,155.43x = 825,275,726,698,088,064
  5. Step 5: Solve for x
    x = 825,275,726,698,088,064/999,945,155.43
  6. Step 6: Final answer
    x = 825,320,991.07

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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.