Home / 381,703,004.22-526,772,697.76-287,450,863.36

Finding the Fourth Proportional to 381,703,004.22, 526,772,697.76 and 287,450,863.36

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Solution

The fourth proportional to 381,703,004.22, 526,772,697.76 and 287,450,863.36 is: 396,699,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,703,004.22 : 526,772,697.76 = 287,450,863.36 : x
  2. Step 2: Convert to fraction form
    381,703,004.22/526,772,697.76 = 287,450,863.36/x
  3. Step 3: Cross multiply
    381,703,004.22x = 526,772,697.76 × 287,450,863.36
  4. Step 4: Simplify right side
    381,703,004.22x = 151,421,266,765,588,352
  5. Step 5: Solve for x
    x = 151,421,266,765,588,352/381,703,004.22
  6. Step 6: Final answer
    x = 396,699,174.73

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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.