Home / 402,944,906.40-604,118,761.20-273,228,784.80

Finding the Fourth Proportional to 402,944,906.40, 604,118,761.20 and 273,228,784.80

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Solution

The fourth proportional to 402,944,906.40, 604,118,761.20 and 273,228,784.80 is: 409,640,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,944,906.40 : 604,118,761.20 = 273,228,784.80 : x
  2. Step 2: Convert to fraction form
    402,944,906.40/604,118,761.20 = 273,228,784.80/x
  3. Step 3: Cross multiply
    402,944,906.40x = 604,118,761.20 × 273,228,784.80
  4. Step 4: Simplify right side
    402,944,906.40x = 165,062,634,997,557,408
  5. Step 5: Solve for x
    x = 165,062,634,997,557,408/402,944,906.40
  6. Step 6: Final answer
    x = 409,640,703.67

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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.