Home / 555,232,899.46-827,885,420.41-539,978,217.76

Finding the Fourth Proportional to 555,232,899.46, 827,885,420.41 and 539,978,217.76

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Solution

The fourth proportional to 555,232,899.46, 827,885,420.41 and 539,978,217.76 is: 805,139,778.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,232,899.46 : 827,885,420.41 = 539,978,217.76 : x
  2. Step 2: Convert to fraction form
    555,232,899.46/827,885,420.41 = 539,978,217.76/x
  3. Step 3: Cross multiply
    555,232,899.46x = 827,885,420.41 × 539,978,217.76
  4. Step 4: Simplify right side
    555,232,899.46x = 447,040,093,822,480,128
  5. Step 5: Solve for x
    x = 447,040,093,822,480,128/555,232,899.46
  6. Step 6: Final answer
    x = 805,139,778.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.