Home / 1,866,589,566.29-2,799,848,307.54-557,378,699.57

Finding the Fourth Proportional to 1,866,589,566.29, 2,799,848,307.54 and 557,378,699.57

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Solution

The fourth proportional to 1,866,589,566.29, 2,799,848,307.54 and 557,378,699.57 is: 836,057,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,589,566.29 : 2,799,848,307.54 = 557,378,699.57 : x
  2. Step 2: Convert to fraction form
    1,866,589,566.29/2,799,848,307.54 = 557,378,699.57/x
  3. Step 3: Cross multiply
    1,866,589,566.29x = 2,799,848,307.54 × 557,378,699.57
  4. Step 4: Simplify right side
    1,866,589,566.29x = 1,560,575,808,649,910,784
  5. Step 5: Solve for x
    x = 1,560,575,808,649,910,784/1,866,589,566.29
  6. Step 6: Final answer
    x = 836,057,286.95

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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.