Home / 363,725,672.40-545,588,508.60-210,292,750.80

Finding the Fourth Proportional to 363,725,672.40, 545,588,508.60 and 210,292,750.80

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Solution

The fourth proportional to 363,725,672.40, 545,588,508.60 and 210,292,750.80 is: 315,439,126.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,725,672.40 : 545,588,508.60 = 210,292,750.80 : x
  2. Step 2: Convert to fraction form
    363,725,672.40/545,588,508.60 = 210,292,750.80/x
  3. Step 3: Cross multiply
    363,725,672.40x = 545,588,508.60 × 210,292,750.80
  4. Step 4: Simplify right side
    363,725,672.40x = 114,733,308,278,363,472
  5. Step 5: Solve for x
    x = 114,733,308,278,363,472/363,725,672.40
  6. Step 6: Final answer
    x = 315,439,126.20

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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.