Home / 913,456,297.78-1,260,570,907.33-495,768,583.06

Finding the Fourth Proportional to 913,456,297.78, 1,260,570,907.33 and 495,768,583.06

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Solution

The fourth proportional to 913,456,297.78, 1,260,570,907.33 and 495,768,583.06 is: 684,161,304.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,456,297.78 : 1,260,570,907.33 = 495,768,583.06 : x
  2. Step 2: Convert to fraction form
    913,456,297.78/1,260,570,907.33 = 495,768,583.06/x
  3. Step 3: Cross multiply
    913,456,297.78x = 1,260,570,907.33 × 495,768,583.06
  4. Step 4: Simplify right side
    913,456,297.78x = 624,951,452,569,261,824
  5. Step 5: Solve for x
    x = 624,951,452,569,261,824/913,456,297.78
  6. Step 6: Final answer
    x = 684,161,304.80

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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.