Home / 490,056,754,117.90-735,086,510,227.78-187,961,957,918.64

Finding the Fourth Proportional to 490,056,754,117.90, 735,086,510,227.78 and 187,961,957,918.64

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Solution

The fourth proportional to 490,056,754,117.90, 735,086,510,227.78 and 187,961,957,918.64 is: 281,943,465,814.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,056,754,117.90 : 735,086,510,227.78 = 187,961,957,918.64 : x
  2. Step 2: Convert to fraction form
    490,056,754,117.90/735,086,510,227.78 = 187,961,957,918.64/x
  3. Step 3: Cross multiply
    490,056,754,117.90x = 735,086,510,227.78 × 187,961,957,918.64
  4. Step 4: Simplify right side
    490,056,754,117.90x = 138,168,299,701,993,937,567,744
  5. Step 5: Solve for x
    x = 138,168,299,701,993,937,567,744/490,056,754,117.90
  6. Step 6: Final answer
    x = 281,943,465,814.89

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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.