Home / 518,150,925.10-777,313,478.85-154,682,022.70

Finding the Fourth Proportional to 518,150,925.10, 777,313,478.85 and 154,682,022.70

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Solution

The fourth proportional to 518,150,925.10, 777,313,478.85 and 154,682,022.70 is: 232,049,033.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,150,925.10 : 777,313,478.85 = 154,682,022.70 : x
  2. Step 2: Convert to fraction form
    518,150,925.10/777,313,478.85 = 154,682,022.70/x
  3. Step 3: Cross multiply
    518,150,925.10x = 777,313,478.85 × 154,682,022.70
  4. Step 4: Simplify right side
    518,150,925.10x = 120,236,421,180,491,664
  5. Step 5: Solve for x
    x = 120,236,421,180,491,664/518,150,925.10
  6. Step 6: Final answer
    x = 232,049,033.12

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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.