Home / 1,131,036,031.20-1,696,554,046.80-313,148,332.20

Finding the Fourth Proportional to 1,131,036,031.20, 1,696,554,046.80 and 313,148,332.20

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Solution

The fourth proportional to 1,131,036,031.20, 1,696,554,046.80 and 313,148,332.20 is: 469,722,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,036,031.20 : 1,696,554,046.80 = 313,148,332.20 : x
  2. Step 2: Convert to fraction form
    1,131,036,031.20/1,696,554,046.80 = 313,148,332.20/x
  3. Step 3: Cross multiply
    1,131,036,031.20x = 1,696,554,046.80 × 313,148,332.20
  4. Step 4: Simplify right side
    1,131,036,031.20x = 531,273,070,242,580,736
  5. Step 5: Solve for x
    x = 531,273,070,242,580,736/1,131,036,031.20
  6. Step 6: Final answer
    x = 469,722,498.30

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Similar ratio
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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.