Home / 398,446,296.75-596,443,618.80-259,973,738.19

Finding the Fourth Proportional to 398,446,296.75, 596,443,618.80 and 259,973,738.19

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Solution

The fourth proportional to 398,446,296.75, 596,443,618.80 and 259,973,738.19 is: 389,160,793.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,446,296.75 : 596,443,618.80 = 259,973,738.19 : x
  2. Step 2: Convert to fraction form
    398,446,296.75/596,443,618.80 = 259,973,738.19/x
  3. Step 3: Cross multiply
    398,446,296.75x = 596,443,618.80 × 259,973,738.19
  4. Step 4: Simplify right side
    398,446,296.75x = 155,059,677,199,007,360
  5. Step 5: Solve for x
    x = 155,059,677,199,007,360/398,446,296.75
  6. Step 6: Final answer
    x = 389,160,793.97

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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.