Home / 491,110,738.95-736,666,108.43-245,505,280.80

Finding the Fourth Proportional to 491,110,738.95, 736,666,108.43 and 245,505,280.80

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Solution

The fourth proportional to 491,110,738.95, 736,666,108.43 and 245,505,280.80 is: 368,257,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,110,738.95 : 736,666,108.43 = 245,505,280.80 : x
  2. Step 2: Convert to fraction form
    491,110,738.95/736,666,108.43 = 245,505,280.80/x
  3. Step 3: Cross multiply
    491,110,738.95x = 736,666,108.43 × 245,505,280.80
  4. Step 4: Simplify right side
    491,110,738.95x = 180,855,419,804,722,880
  5. Step 5: Solve for x
    x = 180,855,419,804,722,880/491,110,738.95
  6. Step 6: Final answer
    x = 368,257,921.20

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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.