Home / 1,103,156,745.92-1,655,222,493.64-578,400,387.96

Finding the Fourth Proportional to 1,103,156,745.92, 1,655,222,493.64 and 578,400,387.96

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Solution

The fourth proportional to 1,103,156,745.92, 1,655,222,493.64 and 578,400,387.96 is: 867,856,119.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,156,745.92 : 1,655,222,493.64 = 578,400,387.96 : x
  2. Step 2: Convert to fraction form
    1,103,156,745.92/1,655,222,493.64 = 578,400,387.96/x
  3. Step 3: Cross multiply
    1,103,156,745.92x = 1,655,222,493.64 × 578,400,387.96
  4. Step 4: Simplify right side
    1,103,156,745.92x = 957,381,332,481,494,784
  5. Step 5: Solve for x
    x = 957,381,332,481,494,784/1,103,156,745.92
  6. Step 6: Final answer
    x = 867,856,119.29

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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.