Home / 722,720,549.57-1,084,078,647.07-205,151,428.13

Finding the Fourth Proportional to 722,720,549.57, 1,084,078,647.07 and 205,151,428.13

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Solution

The fourth proportional to 722,720,549.57, 1,084,078,647.07 and 205,151,428.13 is: 307,726,524.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,720,549.57 : 1,084,078,647.07 = 205,151,428.13 : x
  2. Step 2: Convert to fraction form
    722,720,549.57/1,084,078,647.07 = 205,151,428.13/x
  3. Step 3: Cross multiply
    722,720,549.57x = 1,084,078,647.07 × 205,151,428.13
  4. Step 4: Simplify right side
    722,720,549.57x = 222,400,282,645,715,488
  5. Step 5: Solve for x
    x = 222,400,282,645,715,488/722,720,549.57
  6. Step 6: Final answer
    x = 307,726,524.14

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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.