Home / 669,131,576.70-923,426,496.48-401,251,022.76

Finding the Fourth Proportional to 669,131,576.70, 923,426,496.48 and 401,251,022.76

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Solution

The fourth proportional to 669,131,576.70, 923,426,496.48 and 401,251,022.76 is: 553,741,355.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,131,576.70 : 923,426,496.48 = 401,251,022.76 : x
  2. Step 2: Convert to fraction form
    669,131,576.70/923,426,496.48 = 401,251,022.76/x
  3. Step 3: Cross multiply
    669,131,576.70x = 923,426,496.48 × 401,251,022.76
  4. Step 4: Simplify right side
    669,131,576.70x = 370,525,826,156,283,520
  5. Step 5: Solve for x
    x = 370,525,826,156,283,520/669,131,576.70
  6. Step 6: Final answer
    x = 553,741,355.30

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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.