Home / 394,415,999.40-591,623,999.10-373,252,837.80

Finding the Fourth Proportional to 394,415,999.40, 591,623,999.10 and 373,252,837.80

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Solution

The fourth proportional to 394,415,999.40, 591,623,999.10 and 373,252,837.80 is: 559,879,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,415,999.40 : 591,623,999.10 = 373,252,837.80 : x
  2. Step 2: Convert to fraction form
    394,415,999.40/591,623,999.10 = 373,252,837.80/x
  3. Step 3: Cross multiply
    394,415,999.40x = 591,623,999.10 × 373,252,837.80
  4. Step 4: Simplify right side
    394,415,999.40x = 220,825,336,574,659,648
  5. Step 5: Solve for x
    x = 220,825,336,574,659,648/394,415,999.40
  6. Step 6: Final answer
    x = 559,879,256.70

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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.