Home / 548,385,905.67-756,772,549.82-313,441,610.69

Finding the Fourth Proportional to 548,385,905.67, 756,772,549.82 and 313,441,610.69

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Solution

The fourth proportional to 548,385,905.67, 756,772,549.82 and 313,441,610.69 is: 432,549,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,385,905.67 : 756,772,549.82 = 313,441,610.69 : x
  2. Step 2: Convert to fraction form
    548,385,905.67/756,772,549.82 = 313,441,610.69/x
  3. Step 3: Cross multiply
    548,385,905.67x = 756,772,549.82 × 313,441,610.69
  4. Step 4: Simplify right side
    548,385,905.67x = 237,204,006,936,208,032
  5. Step 5: Solve for x
    x = 237,204,006,936,208,032/548,385,905.67
  6. Step 6: Final answer
    x = 432,549,422.74

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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.