Home / 696,372,195.20-1,043,662,497.60-423,453,257.60

Finding the Fourth Proportional to 696,372,195.20, 1,043,662,497.60 and 423,453,257.60

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Solution

The fourth proportional to 696,372,195.20, 1,043,662,497.60 and 423,453,257.60 is: 634,635,167.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,372,195.20 : 1,043,662,497.60 = 423,453,257.60 : x
  2. Step 2: Convert to fraction form
    696,372,195.20/1,043,662,497.60 = 423,453,257.60/x
  3. Step 3: Cross multiply
    696,372,195.20x = 1,043,662,497.60 × 423,453,257.60
  4. Step 4: Simplify right side
    696,372,195.20x = 441,942,284,443,672,192
  5. Step 5: Solve for x
    x = 441,942,284,443,672,192/696,372,195.20
  6. Step 6: Final answer
    x = 634,635,167.07

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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.