Home / 347,756,851.80-521,635,277.70-321,480,192.60

Finding the Fourth Proportional to 347,756,851.80, 521,635,277.70 and 321,480,192.60

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Solution

The fourth proportional to 347,756,851.80, 521,635,277.70 and 321,480,192.60 is: 482,220,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,756,851.80 : 521,635,277.70 = 321,480,192.60 : x
  2. Step 2: Convert to fraction form
    347,756,851.80/521,635,277.70 = 321,480,192.60/x
  3. Step 3: Cross multiply
    347,756,851.80x = 521,635,277.70 × 321,480,192.60
  4. Step 4: Simplify right side
    347,756,851.80x = 167,695,409,541,950,496
  5. Step 5: Solve for x
    x = 167,695,409,541,950,496/347,756,851.80
  6. Step 6: Final answer
    x = 482,220,288.90

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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.