Home / 422,934,814.56-634,401,349.53-238,618,619.88

Finding the Fourth Proportional to 422,934,814.56, 634,401,349.53 and 238,618,619.88

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Solution

The fourth proportional to 422,934,814.56, 634,401,349.53 and 238,618,619.88 is: 357,927,437.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,934,814.56 : 634,401,349.53 = 238,618,619.88 : x
  2. Step 2: Convert to fraction form
    422,934,814.56/634,401,349.53 = 238,618,619.88/x
  3. Step 3: Cross multiply
    422,934,814.56x = 634,401,349.53 × 238,618,619.88
  4. Step 4: Simplify right side
    422,934,814.56x = 151,379,974,474,858,080
  5. Step 5: Solve for x
    x = 151,379,974,474,858,080/422,934,814.56
  6. Step 6: Final answer
    x = 357,927,437.67

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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.