Home / 165,271,490,246.90-247,539,903,351.15-143,231,569,094.90

Finding the Fourth Proportional to 165,271,490,246.90, 247,539,903,351.15 and 143,231,569,094.90

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Solution

The fourth proportional to 165,271,490,246.90, 247,539,903,351.15 and 143,231,569,094.90 is: 214,529,007,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,271,490,246.90 : 247,539,903,351.15 = 143,231,569,094.90 : x
  2. Step 2: Convert to fraction form
    165,271,490,246.90/247,539,903,351.15 = 143,231,569,094.90/x
  3. Step 3: Cross multiply
    165,271,490,246.90x = 247,539,903,351.15 × 143,231,569,094.90
  4. Step 4: Simplify right side
    165,271,490,246.90x = 35,455,528,770,585,105,530,880
  5. Step 5: Solve for x
    x = 35,455,528,770,585,105,530,880/165,271,490,246.90
  6. Step 6: Final answer
    x = 214,529,007,499.22

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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.