Home / 347,749,793.80-521,624,690.70-321,473,134.60

Finding the Fourth Proportional to 347,749,793.80, 521,624,690.70 and 321,473,134.60

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Solution

The fourth proportional to 347,749,793.80, 521,624,690.70 and 321,473,134.60 is: 482,209,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,749,793.80 : 521,624,690.70 = 321,473,134.60 : x
  2. Step 2: Convert to fraction form
    347,749,793.80/521,624,690.70 = 321,473,134.60/x
  3. Step 3: Cross multiply
    347,749,793.80x = 521,624,690.70 × 321,473,134.60
  4. Step 4: Simplify right side
    347,749,793.80x = 167,688,324,404,084,480
  5. Step 5: Solve for x
    x = 167,688,324,404,084,480/347,749,793.80
  6. Step 6: Final answer
    x = 482,209,701.90

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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.