Home / 447,639,496.80-671,459,245.20-265,793,071.20

Finding the Fourth Proportional to 447,639,496.80, 671,459,245.20 and 265,793,071.20

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Solution

The fourth proportional to 447,639,496.80, 671,459,245.20 and 265,793,071.20 is: 398,689,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,639,496.80 : 671,459,245.20 = 265,793,071.20 : x
  2. Step 2: Convert to fraction form
    447,639,496.80/671,459,245.20 = 265,793,071.20/x
  3. Step 3: Cross multiply
    447,639,496.80x = 671,459,245.20 × 265,793,071.20
  4. Step 4: Simplify right side
    447,639,496.80x = 178,469,214,967,341,856
  5. Step 5: Solve for x
    x = 178,469,214,967,341,856/447,639,496.80
  6. Step 6: Final answer
    x = 398,689,606.80

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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.