Home / 381,458,932,384.35-572,300,053,280.40-123,004,486,391.47

Finding the Fourth Proportional to 381,458,932,384.35, 572,300,053,280.40 and 123,004,486,391.47

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Solution

The fourth proportional to 381,458,932,384.35, 572,300,053,280.40 and 123,004,486,391.47 is: 184,542,733,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,458,932,384.35 : 572,300,053,280.40 = 123,004,486,391.47 : x
  2. Step 2: Convert to fraction form
    381,458,932,384.35/572,300,053,280.40 = 123,004,486,391.47/x
  3. Step 3: Cross multiply
    381,458,932,384.35x = 572,300,053,280.40 × 123,004,486,391.47
  4. Step 4: Simplify right side
    381,458,932,384.35x = 70,395,474,115,566,520,762,368
  5. Step 5: Solve for x
    x = 70,395,474,115,566,520,762,368/381,458,932,384.35
  6. Step 6: Final answer
    x = 184,542,733,540.29

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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.