Home / 544,968,435.40-753,040,190.70-388,063,137.16

Finding the Fourth Proportional to 544,968,435.40, 753,040,190.70 and 388,063,137.16

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Solution

The fourth proportional to 544,968,435.40, 753,040,190.70 and 388,063,137.16 is: 536,227,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,968,435.40 : 753,040,190.70 = 388,063,137.16 : x
  2. Step 2: Convert to fraction form
    544,968,435.40/753,040,190.70 = 388,063,137.16/x
  3. Step 3: Cross multiply
    544,968,435.40x = 753,040,190.70 × 388,063,137.16
  4. Step 4: Simplify right side
    544,968,435.40x = 292,227,138,810,606,720
  5. Step 5: Solve for x
    x = 292,227,138,810,606,720/544,968,435.40
  6. Step 6: Final answer
    x = 536,227,641.51

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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.