Home / 1,021,560,188.45-1,532,340,302.96-245,205,849.28

Finding the Fourth Proportional to 1,021,560,188.45, 1,532,340,302.96 and 245,205,849.28

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Solution

The fourth proportional to 1,021,560,188.45, 1,532,340,302.96 and 245,205,849.28 is: 367,808,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,560,188.45 : 1,532,340,302.96 = 245,205,849.28 : x
  2. Step 2: Convert to fraction form
    1,021,560,188.45/1,532,340,302.96 = 245,205,849.28/x
  3. Step 3: Cross multiply
    1,021,560,188.45x = 1,532,340,302.96 × 245,205,849.28
  4. Step 4: Simplify right side
    1,021,560,188.45x = 375,738,805,375,531,648
  5. Step 5: Solve for x
    x = 375,738,805,375,531,648/1,021,560,188.45
  6. Step 6: Final answer
    x = 367,808,778.79

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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.