Home / 722,720,558.94-1,084,078,661.13-205,151,437.50

Finding the Fourth Proportional to 722,720,558.94, 1,084,078,661.13 and 205,151,437.50

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Solution

The fourth proportional to 722,720,558.94, 1,084,078,661.13 and 205,151,437.50 is: 307,726,538.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,720,558.94 : 1,084,078,661.13 = 205,151,437.50 : x
  2. Step 2: Convert to fraction form
    722,720,558.94/1,084,078,661.13 = 205,151,437.50/x
  3. Step 3: Cross multiply
    722,720,558.94x = 1,084,078,661.13 × 205,151,437.50
  4. Step 4: Simplify right side
    722,720,558.94x = 222,400,295,693,894,912
  5. Step 5: Solve for x
    x = 222,400,295,693,894,912/722,720,558.94
  6. Step 6: Final answer
    x = 307,726,538.21

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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.