Home / 491,945,537.60-737,919,707.27-142,220,075.69

Finding the Fourth Proportional to 491,945,537.60, 737,919,707.27 and 142,220,075.69

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Solution

The fourth proportional to 491,945,537.60, 737,919,707.27 and 142,220,075.69 is: 213,330,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,945,537.60 : 737,919,707.27 = 142,220,075.69 : x
  2. Step 2: Convert to fraction form
    491,945,537.60/737,919,707.27 = 142,220,075.69/x
  3. Step 3: Cross multiply
    491,945,537.60x = 737,919,707.27 × 142,220,075.69
  4. Step 4: Simplify right side
    491,945,537.60x = 104,946,996,616,681,344
  5. Step 5: Solve for x
    x = 104,946,996,616,681,344/491,945,537.60
  6. Step 6: Final answer
    x = 213,330,518.52

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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.