Home / 947,099,425.24-1,306,348,693.40-617,520,974.68

Finding the Fourth Proportional to 947,099,425.24, 1,306,348,693.40 and 617,520,974.68

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Solution

The fourth proportional to 947,099,425.24, 1,306,348,693.40 and 617,520,974.68 is: 851,756,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,099,425.24 : 1,306,348,693.40 = 617,520,974.68 : x
  2. Step 2: Convert to fraction form
    947,099,425.24/1,306,348,693.40 = 617,520,974.68/x
  3. Step 3: Cross multiply
    947,099,425.24x = 1,306,348,693.40 × 617,520,974.68
  4. Step 4: Simplify right side
    947,099,425.24x = 806,697,718,420,312,448
  5. Step 5: Solve for x
    x = 806,697,718,420,312,448/947,099,425.24
  6. Step 6: Final answer
    x = 851,756,105.98

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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.