Home / 1,238,938,304.38-1,858,399,189.69-501,997,336.54

Finding the Fourth Proportional to 1,238,938,304.38, 1,858,399,189.69 and 501,997,336.54

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Solution

The fourth proportional to 1,238,938,304.38, 1,858,399,189.69 and 501,997,336.54 is: 752,992,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,938,304.38 : 1,858,399,189.69 = 501,997,336.54 : x
  2. Step 2: Convert to fraction form
    1,238,938,304.38/1,858,399,189.69 = 501,997,336.54/x
  3. Step 3: Cross multiply
    1,238,938,304.38x = 1,858,399,189.69 × 501,997,336.54
  4. Step 4: Simplify right side
    1,238,938,304.38x = 932,911,443,452,474,240
  5. Step 5: Solve for x
    x = 932,911,443,452,474,240/1,238,938,304.38
  6. Step 6: Final answer
    x = 752,992,655.21

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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.