Home / 381,458,932,389.34-572,300,053,287.90-123,004,486,396.46

Finding the Fourth Proportional to 381,458,932,389.34, 572,300,053,287.90 and 123,004,486,396.46

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Solution

The fourth proportional to 381,458,932,389.34, 572,300,053,287.90 and 123,004,486,396.46 is: 184,542,733,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,458,932,389.34 : 572,300,053,287.90 = 123,004,486,396.46 : x
  2. Step 2: Convert to fraction form
    381,458,932,389.34/572,300,053,287.90 = 123,004,486,396.46/x
  3. Step 3: Cross multiply
    381,458,932,389.34x = 572,300,053,287.90 × 123,004,486,396.46
  4. Step 4: Simplify right side
    381,458,932,389.34x = 70,395,474,119,344,833,691,648
  5. Step 5: Solve for x
    x = 70,395,474,119,344,833,691,648/381,458,932,389.34
  6. Step 6: Final answer
    x = 184,542,733,547.78

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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.