Home / 688,307,261,783-949,866,974,309.20-375,454,463,493.42

Finding the Fourth Proportional to 688,307,261,783, 949,866,974,309.20 and 375,454,463,493.42

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Solution

The fourth proportional to 688,307,261,783, 949,866,974,309.20 and 375,454,463,493.42 is: 518,128,770,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,307,261,783 : 949,866,974,309.20 = 375,454,463,493.42 : x
  2. Step 2: Convert to fraction form
    688,307,261,783/949,866,974,309.20 = 375,454,463,493.42/x
  3. Step 3: Cross multiply
    688,307,261,783x = 949,866,974,309.20 × 375,454,463,493.42
  4. Step 4: Simplify right side
    688,307,261,783x = 356,631,795,229,378,794,749,952
  5. Step 5: Solve for x
    x = 356,631,795,229,378,794,749,952/688,307,261,783
  6. Step 6: Final answer
    x = 518,128,770,435.39

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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.