Home / 877,967,441.85-1,316,425,211.82-279,446,768.73

Finding the Fourth Proportional to 877,967,441.85, 1,316,425,211.82 and 279,446,768.73

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Solution

The fourth proportional to 877,967,441.85, 1,316,425,211.82 and 279,446,768.73 is: 419,002,749.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,967,441.85 : 1,316,425,211.82 = 279,446,768.73 : x
  2. Step 2: Convert to fraction form
    877,967,441.85/1,316,425,211.82 = 279,446,768.73/x
  3. Step 3: Cross multiply
    877,967,441.85x = 1,316,425,211.82 × 279,446,768.73
  4. Step 4: Simplify right side
    877,967,441.85x = 367,870,771,717,804,800
  5. Step 5: Solve for x
    x = 367,870,771,717,804,800/877,967,441.85
  6. Step 6: Final answer
    x = 419,002,749.06

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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.