Home / 629,856,887.40-944,785,331.10-612,850,775.40

Finding the Fourth Proportional to 629,856,887.40, 944,785,331.10 and 612,850,775.40

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Solution

The fourth proportional to 629,856,887.40, 944,785,331.10 and 612,850,775.40 is: 919,276,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,856,887.40 : 944,785,331.10 = 612,850,775.40 : x
  2. Step 2: Convert to fraction form
    629,856,887.40/944,785,331.10 = 612,850,775.40/x
  3. Step 3: Cross multiply
    629,856,887.40x = 944,785,331.10 × 612,850,775.40
  4. Step 4: Simplify right side
    629,856,887.40x = 579,012,422,751,180,672
  5. Step 5: Solve for x
    x = 579,012,422,751,180,672/629,856,887.40
  6. Step 6: Final answer
    x = 919,276,163.10

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Similar ratio
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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.