Home / 839,810,177.70-1,259,715,266.55-379,763,355.30

Finding the Fourth Proportional to 839,810,177.70, 1,259,715,266.55 and 379,763,355.30

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Solution

The fourth proportional to 839,810,177.70, 1,259,715,266.55 and 379,763,355.30 is: 569,645,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,810,177.70 : 1,259,715,266.55 = 379,763,355.30 : x
  2. Step 2: Convert to fraction form
    839,810,177.70/1,259,715,266.55 = 379,763,355.30/x
  3. Step 3: Cross multiply
    839,810,177.70x = 1,259,715,266.55 × 379,763,355.30
  4. Step 4: Simplify right side
    839,810,177.70x = 478,393,696,347,661,824
  5. Step 5: Solve for x
    x = 478,393,696,347,661,824/839,810,177.70
  6. Step 6: Final answer
    x = 569,645,032.95

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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.