Home / 675,427,936.72-932,100,071.86-389,161,251.85

Finding the Fourth Proportional to 675,427,936.72, 932,100,071.86 and 389,161,251.85

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Solution

The fourth proportional to 675,427,936.72, 932,100,071.86 and 389,161,251.85 is: 537,048,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,427,936.72 : 932,100,071.86 = 389,161,251.85 : x
  2. Step 2: Convert to fraction form
    675,427,936.72/932,100,071.86 = 389,161,251.85/x
  3. Step 3: Cross multiply
    675,427,936.72x = 932,100,071.86 × 389,161,251.85
  4. Step 4: Simplify right side
    675,427,936.72x = 362,737,230,812,786,624
  5. Step 5: Solve for x
    x = 362,737,230,812,786,624/675,427,936.72
  6. Step 6: Final answer
    x = 537,048,012.22

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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.