Home / 1,010,338,404.13-1,515,561,933.09-320,299,466.50

Finding the Fourth Proportional to 1,010,338,404.13, 1,515,561,933.09 and 320,299,466.50

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Solution

The fourth proportional to 1,010,338,404.13, 1,515,561,933.09 and 320,299,466.50 is: 480,466,422.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,338,404.13 : 1,515,561,933.09 = 320,299,466.50 : x
  2. Step 2: Convert to fraction form
    1,010,338,404.13/1,515,561,933.09 = 320,299,466.50/x
  3. Step 3: Cross multiply
    1,010,338,404.13x = 1,515,561,933.09 × 320,299,466.50
  4. Step 4: Simplify right side
    1,010,338,404.13x = 485,433,678,616,435,648
  5. Step 5: Solve for x
    x = 485,433,678,616,435,648/1,010,338,404.13
  6. Step 6: Final answer
    x = 480,466,422.57

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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.