Home / 354,635,135.40-531,952,703.10-320,197,758.60

Finding the Fourth Proportional to 354,635,135.40, 531,952,703.10 and 320,197,758.60

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Solution

The fourth proportional to 354,635,135.40, 531,952,703.10 and 320,197,758.60 is: 480,296,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,635,135.40 : 531,952,703.10 = 320,197,758.60 : x
  2. Step 2: Convert to fraction form
    354,635,135.40/531,952,703.10 = 320,197,758.60/x
  3. Step 3: Cross multiply
    354,635,135.40x = 531,952,703.10 × 320,197,758.60
  4. Step 4: Simplify right side
    354,635,135.40x = 170,330,063,213,831,296
  5. Step 5: Solve for x
    x = 170,330,063,213,831,296/354,635,135.40
  6. Step 6: Final answer
    x = 480,296,637.90

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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.