Home / 856,234,437.03-1,284,354,049.81-266,110,967.89

Finding the Fourth Proportional to 856,234,437.03, 1,284,354,049.81 and 266,110,967.89

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Solution

The fourth proportional to 856,234,437.03, 1,284,354,049.81 and 266,110,967.89 is: 399,167,195.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,234,437.03 : 1,284,354,049.81 = 266,110,967.89 : x
  2. Step 2: Convert to fraction form
    856,234,437.03/1,284,354,049.81 = 266,110,967.89/x
  3. Step 3: Cross multiply
    856,234,437.03x = 1,284,354,049.81 × 266,110,967.89
  4. Step 4: Simplify right side
    856,234,437.03x = 341,780,699,308,380,352
  5. Step 5: Solve for x
    x = 341,780,699,308,380,352/856,234,437.03
  6. Step 6: Final answer
    x = 399,167,195.95

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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.