Home / 402,703,567.41-555,416,092.41-261,620,244.59

Finding the Fourth Proportional to 402,703,567.41, 555,416,092.41 and 261,620,244.59

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Solution

The fourth proportional to 402,703,567.41, 555,416,092.41 and 261,620,244.59 is: 360,831,404.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,703,567.41 : 555,416,092.41 = 261,620,244.59 : x
  2. Step 2: Convert to fraction form
    402,703,567.41/555,416,092.41 = 261,620,244.59/x
  3. Step 3: Cross multiply
    402,703,567.41x = 555,416,092.41 × 261,620,244.59
  4. Step 4: Simplify right side
    402,703,567.41x = 145,308,093,945,526,240
  5. Step 5: Solve for x
    x = 145,308,093,945,526,240/402,703,567.41
  6. Step 6: Final answer
    x = 360,831,404.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.