Home / 979,776,003.40-1,469,664,005.10-548,898,512.20

Finding the Fourth Proportional to 979,776,003.40, 1,469,664,005.10 and 548,898,512.20

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Solution

The fourth proportional to 979,776,003.40, 1,469,664,005.10 and 548,898,512.20 is: 823,347,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,776,003.40 : 1,469,664,005.10 = 548,898,512.20 : x
  2. Step 2: Convert to fraction form
    979,776,003.40/1,469,664,005.10 = 548,898,512.20/x
  3. Step 3: Cross multiply
    979,776,003.40x = 1,469,664,005.10 × 548,898,512.20
  4. Step 4: Simplify right side
    979,776,003.40x = 806,696,385,833,283,200
  5. Step 5: Solve for x
    x = 806,696,385,833,283,200/979,776,003.40
  6. Step 6: Final answer
    x = 823,347,768.30

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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.