Home / 903,197,785.20-1,246,311,851.41-501,328,474.40

Finding the Fourth Proportional to 903,197,785.20, 1,246,311,851.41 and 501,328,474.40

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Solution

The fourth proportional to 903,197,785.20, 1,246,311,851.41 and 501,328,474.40 is: 691,777,182.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,197,785.20 : 1,246,311,851.41 = 501,328,474.40 : x
  2. Step 2: Convert to fraction form
    903,197,785.20/1,246,311,851.41 = 501,328,474.40/x
  3. Step 3: Cross multiply
    903,197,785.20x = 1,246,311,851.41 × 501,328,474.40
  4. Step 4: Simplify right side
    903,197,785.20x = 624,811,619,087,783,296
  5. Step 5: Solve for x
    x = 624,811,619,087,783,296/903,197,785.20
  6. Step 6: Final answer
    x = 691,777,182.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.