Home / 913,005,232.02-1,259,949,662.33-495,317,517.30

Finding the Fourth Proportional to 913,005,232.02, 1,259,949,662.33 and 495,317,517.30

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Solution

The fourth proportional to 913,005,232.02, 1,259,949,662.33 and 495,317,517.30 is: 683,539,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,005,232.02 : 1,259,949,662.33 = 495,317,517.30 : x
  2. Step 2: Convert to fraction form
    913,005,232.02/1,259,949,662.33 = 495,317,517.30/x
  3. Step 3: Cross multiply
    913,005,232.02x = 1,259,949,662.33 × 495,317,517.30
  4. Step 4: Simplify right side
    913,005,232.02x = 624,075,138,665,792,384
  5. Step 5: Solve for x
    x = 624,075,138,665,792,384/913,005,232.02
  6. Step 6: Final answer
    x = 683,539,498.77

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1.5x scale

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.