Home / 165,271,495,334.40-247,539,910,982.40-143,231,574,182.40

Finding the Fourth Proportional to 165,271,495,334.40, 247,539,910,982.40 and 143,231,574,182.40

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Solution

The fourth proportional to 165,271,495,334.40, 247,539,910,982.40 and 143,231,574,182.40 is: 214,529,015,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,271,495,334.40 : 247,539,910,982.40 = 143,231,574,182.40 : x
  2. Step 2: Convert to fraction form
    165,271,495,334.40/247,539,910,982.40 = 143,231,574,182.40/x
  3. Step 3: Cross multiply
    165,271,495,334.40x = 247,539,910,982.40 × 143,231,574,182.40
  4. Step 4: Simplify right side
    165,271,495,334.40x = 35,455,531,122,980,313,628,672
  5. Step 5: Solve for x
    x = 35,455,531,122,980,313,628,672/165,271,495,334.40
  6. Step 6: Final answer
    x = 214,529,015,128.97

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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.