Home / 1,324,950,855.57-1,828,408,459.61-722,126,908.22

Finding the Fourth Proportional to 1,324,950,855.57, 1,828,408,459.61 and 722,126,908.22

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Solution

The fourth proportional to 1,324,950,855.57, 1,828,408,459.61 and 722,126,908.22 is: 996,522,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,950,855.57 : 1,828,408,459.61 = 722,126,908.22 : x
  2. Step 2: Convert to fraction form
    1,324,950,855.57/1,828,408,459.61 = 722,126,908.22/x
  3. Step 3: Cross multiply
    1,324,950,855.57x = 1,828,408,459.61 × 722,126,908.22
  4. Step 4: Simplify right side
    1,324,950,855.57x = 1,320,342,947,888,709,376
  5. Step 5: Solve for x
    x = 1,320,342,947,888,709,376/1,324,950,855.57
  6. Step 6: Final answer
    x = 996,522,204.83

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Double scale
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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.