Home / 347,749,764.30-521,624,646.45-321,473,105.10

Finding the Fourth Proportional to 347,749,764.30, 521,624,646.45 and 321,473,105.10

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Solution

The fourth proportional to 347,749,764.30, 521,624,646.45 and 321,473,105.10 is: 482,209,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,749,764.30 : 521,624,646.45 = 321,473,105.10 : x
  2. Step 2: Convert to fraction form
    347,749,764.30/521,624,646.45 = 321,473,105.10/x
  3. Step 3: Cross multiply
    347,749,764.30x = 521,624,646.45 × 321,473,105.10
  4. Step 4: Simplify right side
    347,749,764.30x = 167,688,294,790,971,200
  5. Step 5: Solve for x
    x = 167,688,294,790,971,200/347,749,764.30
  6. Step 6: Final answer
    x = 482,209,657.65

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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.