Home / 627,107,682.48-865,430,859.78-344,871,581.40

Finding the Fourth Proportional to 627,107,682.48, 865,430,859.78 and 344,871,581.40

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Solution

The fourth proportional to 627,107,682.48, 865,430,859.78 and 344,871,581.40 is: 475,935,022.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,107,682.48 : 865,430,859.78 = 344,871,581.40 : x
  2. Step 2: Convert to fraction form
    627,107,682.48/865,430,859.78 = 344,871,581.40/x
  3. Step 3: Cross multiply
    627,107,682.48x = 865,430,859.78 × 344,871,581.40
  4. Step 4: Simplify right side
    627,107,682.48x = 298,462,509,204,690,240
  5. Step 5: Solve for x
    x = 298,462,509,204,690,240/627,107,682.48
  6. Step 6: Final answer
    x = 475,935,022.87

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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.