Home / 426,385,230.80-639,577,846.20-395,774,229.20

Finding the Fourth Proportional to 426,385,230.80, 639,577,846.20 and 395,774,229.20

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Solution

The fourth proportional to 426,385,230.80, 639,577,846.20 and 395,774,229.20 is: 593,661,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,385,230.80 : 639,577,846.20 = 395,774,229.20 : x
  2. Step 2: Convert to fraction form
    426,385,230.80/639,577,846.20 = 395,774,229.20/x
  3. Step 3: Cross multiply
    426,385,230.80x = 639,577,846.20 × 395,774,229.20
  4. Step 4: Simplify right side
    426,385,230.80x = 253,128,429,093,201,152
  5. Step 5: Solve for x
    x = 253,128,429,093,201,152/426,385,230.80
  6. Step 6: Final answer
    x = 593,661,343.80

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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.