Home / 2,987,666,128.98-4,481,516,257.77-1,240,868,866.56

Finding the Fourth Proportional to 2,987,666,128.98, 4,481,516,257.77 and 1,240,868,866.56

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Solution

The fourth proportional to 2,987,666,128.98, 4,481,516,257.77 and 1,240,868,866.56 is: 1,861,310,387.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,666,128.98 : 4,481,516,257.77 = 1,240,868,866.56 : x
  2. Step 2: Convert to fraction form
    2,987,666,128.98/4,481,516,257.77 = 1,240,868,866.56/x
  3. Step 3: Cross multiply
    2,987,666,128.98x = 4,481,516,257.77 × 1,240,868,866.56
  4. Step 4: Simplify right side
    2,987,666,128.98x = 5,560,973,999,249,272,832
  5. Step 5: Solve for x
    x = 5,560,973,999,249,272,832/2,987,666,128.98
  6. Step 6: Final answer
    x = 1,861,310,387.16

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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.