Home / 1,238,938,299.88-1,858,399,182.94-501,997,332.04

Finding the Fourth Proportional to 1,238,938,299.88, 1,858,399,182.94 and 501,997,332.04

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Solution

The fourth proportional to 1,238,938,299.88, 1,858,399,182.94 and 501,997,332.04 is: 752,992,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,938,299.88 : 1,858,399,182.94 = 501,997,332.04 : x
  2. Step 2: Convert to fraction form
    1,238,938,299.88/1,858,399,182.94 = 501,997,332.04/x
  3. Step 3: Cross multiply
    1,238,938,299.88x = 1,858,399,182.94 × 501,997,332.04
  4. Step 4: Simplify right side
    1,238,938,299.88x = 932,911,431,701,195,904
  5. Step 5: Solve for x
    x = 932,911,431,701,195,904/1,238,938,299.88
  6. Step 6: Final answer
    x = 752,992,648.46

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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.