Home / 1,242,317,292.44-1,861,560,359.94-611,324,985.56

Finding the Fourth Proportional to 1,242,317,292.44, 1,861,560,359.94 and 611,324,985.56

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Solution

The fourth proportional to 1,242,317,292.44, 1,861,560,359.94 and 611,324,985.56 is: 916,044,851.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,317,292.44 : 1,861,560,359.94 = 611,324,985.56 : x
  2. Step 2: Convert to fraction form
    1,242,317,292.44/1,861,560,359.94 = 611,324,985.56/x
  3. Step 3: Cross multiply
    1,242,317,292.44x = 1,861,560,359.94 × 611,324,985.56
  4. Step 4: Simplify right side
    1,242,317,292.44x = 1,138,018,360,159,388,800
  5. Step 5: Solve for x
    x = 1,138,018,360,159,388,800/1,242,317,292.44
  6. Step 6: Final answer
    x = 916,044,851.89

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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.