Home / 421,956,000.05-582,299,280.08-236,317,015.74

Finding the Fourth Proportional to 421,956,000.05, 582,299,280.08 and 236,317,015.74

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Solution

The fourth proportional to 421,956,000.05, 582,299,280.08 and 236,317,015.74 is: 326,117,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,956,000.05 : 582,299,280.08 = 236,317,015.74 : x
  2. Step 2: Convert to fraction form
    421,956,000.05/582,299,280.08 = 236,317,015.74/x
  3. Step 3: Cross multiply
    421,956,000.05x = 582,299,280.08 × 236,317,015.74
  4. Step 4: Simplify right side
    421,956,000.05x = 137,607,228,134,874,464
  5. Step 5: Solve for x
    x = 137,607,228,134,874,464/421,956,000.05
  6. Step 6: Final answer
    x = 326,117,481.73

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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.