Home / 684,665,496.72-1,027,488,589.11-291,467,998.08

Finding the Fourth Proportional to 684,665,496.72, 1,027,488,589.11 and 291,467,998.08

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Solution

The fourth proportional to 684,665,496.72, 1,027,488,589.11 and 291,467,998.08 is: 437,410,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,665,496.72 : 1,027,488,589.11 = 291,467,998.08 : x
  2. Step 2: Convert to fraction form
    684,665,496.72/1,027,488,589.11 = 291,467,998.08/x
  3. Step 3: Cross multiply
    684,665,496.72x = 1,027,488,589.11 × 291,467,998.08
  4. Step 4: Simplify right side
    684,665,496.72x = 299,480,042,117,935,360
  5. Step 5: Solve for x
    x = 299,480,042,117,935,360/684,665,496.72
  6. Step 6: Final answer
    x = 437,410,740.80

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Double scale
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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.