Home / 1,008,907,523.40-1,513,361,285.10-271,976,003.40

Finding the Fourth Proportional to 1,008,907,523.40, 1,513,361,285.10 and 271,976,003.40

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Solution

The fourth proportional to 1,008,907,523.40, 1,513,361,285.10 and 271,976,003.40 is: 407,964,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,907,523.40 : 1,513,361,285.10 = 271,976,003.40 : x
  2. Step 2: Convert to fraction form
    1,008,907,523.40/1,513,361,285.10 = 271,976,003.40/x
  3. Step 3: Cross multiply
    1,008,907,523.40x = 1,513,361,285.10 × 271,976,003.40
  4. Step 4: Simplify right side
    1,008,907,523.40x = 411,597,954,021,785,920
  5. Step 5: Solve for x
    x = 411,597,954,021,785,920/1,008,907,523.40
  6. Step 6: Final answer
    x = 407,964,005.10

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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.