Home / 690,268,834.80-1,035,403,252.20-627,787,119.60

Finding the Fourth Proportional to 690,268,834.80, 1,035,403,252.20 and 627,787,119.60

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Solution

The fourth proportional to 690,268,834.80, 1,035,403,252.20 and 627,787,119.60 is: 941,680,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,268,834.80 : 1,035,403,252.20 = 627,787,119.60 : x
  2. Step 2: Convert to fraction form
    690,268,834.80/1,035,403,252.20 = 627,787,119.60/x
  3. Step 3: Cross multiply
    690,268,834.80x = 1,035,403,252.20 × 627,787,119.60
  4. Step 4: Simplify right side
    690,268,834.80x = 650,012,825,323,110,400
  5. Step 5: Solve for x
    x = 650,012,825,323,110,400/690,268,834.80
  6. Step 6: Final answer
    x = 941,680,679.40

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1.5x scale

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.