Home / 408,650,037.40-613,152,003.30-193,128,347.80

Finding the Fourth Proportional to 408,650,037.40, 613,152,003.30 and 193,128,347.80

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Solution

The fourth proportional to 408,650,037.40, 613,152,003.30 and 193,128,347.80 is: 289,776,147.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,650,037.40 : 613,152,003.30 = 193,128,347.80 : x
  2. Step 2: Convert to fraction form
    408,650,037.40/613,152,003.30 = 193,128,347.80/x
  3. Step 3: Cross multiply
    408,650,037.40x = 613,152,003.30 × 193,128,347.80
  4. Step 4: Simplify right side
    408,650,037.40x = 118,417,033,347,589,152
  5. Step 5: Solve for x
    x = 118,417,033,347,589,152/408,650,037.40
  6. Step 6: Final answer
    x = 289,776,147.09

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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.