Home / 688,307,261,594.86-949,866,974,049.53-375,454,463,305.14

Finding the Fourth Proportional to 688,307,261,594.86, 949,866,974,049.53 and 375,454,463,305.14

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Solution

The fourth proportional to 688,307,261,594.86, 949,866,974,049.53 and 375,454,463,305.14 is: 518,128,770,175.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,307,261,594.86 : 949,866,974,049.53 = 375,454,463,305.14 : x
  2. Step 2: Convert to fraction form
    688,307,261,594.86/949,866,974,049.53 = 375,454,463,305.14/x
  3. Step 3: Cross multiply
    688,307,261,594.86x = 949,866,974,049.53 × 375,454,463,305.14
  4. Step 4: Simplify right side
    688,307,261,594.86x = 356,631,794,953,043,685,933,056
  5. Step 5: Solve for x
    x = 356,631,794,953,043,685,933,056/688,307,261,594.86
  6. Step 6: Final answer
    x = 518,128,770,175.55

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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.