Home / 562,149,821,384.57-775,766,753,510.65-321,561,697,715.57

Finding the Fourth Proportional to 562,149,821,384.57, 775,766,753,510.65 and 321,561,697,715.57

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Solution

The fourth proportional to 562,149,821,384.57, 775,766,753,510.65 and 321,561,697,715.57 is: 443,755,142,847.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,149,821,384.57 : 775,766,753,510.65 = 321,561,697,715.57 : x
  2. Step 2: Convert to fraction form
    562,149,821,384.57/775,766,753,510.65 = 321,561,697,715.57/x
  3. Step 3: Cross multiply
    562,149,821,384.57x = 775,766,753,510.65 × 321,561,697,715.57
  4. Step 4: Simplify right side
    562,149,821,384.57x = 249,456,874,290,180,750,573,568
  5. Step 5: Solve for x
    x = 249,456,874,290,180,750,573,568/562,149,821,384.57
  6. Step 6: Final answer
    x = 443,755,142,847.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.