Home / 1,106,287,195.88-1,660,612,149.66-476,331,317.48

Finding the Fourth Proportional to 1,106,287,195.88, 1,660,612,149.66 and 476,331,317.48

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Solution

The fourth proportional to 1,106,287,195.88, 1,660,612,149.66 and 476,331,317.48 is: 715,005,629.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,287,195.88 : 1,660,612,149.66 = 476,331,317.48 : x
  2. Step 2: Convert to fraction form
    1,106,287,195.88/1,660,612,149.66 = 476,331,317.48/x
  3. Step 3: Cross multiply
    1,106,287,195.88x = 1,660,612,149.66 × 476,331,317.48
  4. Step 4: Simplify right side
    1,106,287,195.88x = 791,001,573,070,842,752
  5. Step 5: Solve for x
    x = 791,001,573,070,842,752/1,106,287,195.88
  6. Step 6: Final answer
    x = 715,005,629.66

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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.