Home / 231,787,585,637.20-347,681,378,455.80-189,911,735,448.40

Finding the Fourth Proportional to 231,787,585,637.20, 347,681,378,455.80 and 189,911,735,448.40

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Solution

The fourth proportional to 231,787,585,637.20, 347,681,378,455.80 and 189,911,735,448.40 is: 284,867,603,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,787,585,637.20 : 347,681,378,455.80 = 189,911,735,448.40 : x
  2. Step 2: Convert to fraction form
    231,787,585,637.20/347,681,378,455.80 = 189,911,735,448.40/x
  3. Step 3: Cross multiply
    231,787,585,637.20x = 347,681,378,455.80 × 189,911,735,448.40
  4. Step 4: Simplify right side
    231,787,585,637.20x = 66,028,773,965,632,924,286,976
  5. Step 5: Solve for x
    x = 66,028,773,965,632,924,286,976/231,787,585,637.20
  6. Step 6: Final answer
    x = 284,867,603,172.60

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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.