Home / 1,443,752,167.09-1,987,747,445.53-1,125,804,419.58

Finding the Fourth Proportional to 1,443,752,167.09, 1,987,747,445.53 and 1,125,804,419.58

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Solution

The fourth proportional to 1,443,752,167.09, 1,987,747,445.53 and 1,125,804,419.58 is: 1,549,999,307.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,752,167.09 : 1,987,747,445.53 = 1,125,804,419.58 : x
  2. Step 2: Convert to fraction form
    1,443,752,167.09/1,987,747,445.53 = 1,125,804,419.58/x
  3. Step 3: Cross multiply
    1,443,752,167.09x = 1,987,747,445.53 × 1,125,804,419.58
  4. Step 4: Simplify right side
    1,443,752,167.09x = 2,237,814,859,200,911,616
  5. Step 5: Solve for x
    x = 2,237,814,859,200,911,616/1,443,752,167.09
  6. Step 6: Final answer
    x = 1,549,999,307.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.