Home / 688,307,261,784.17-949,866,974,310.78-375,454,463,494.60

Finding the Fourth Proportional to 688,307,261,784.17, 949,866,974,310.78 and 375,454,463,494.60

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Solution

The fourth proportional to 688,307,261,784.17, 949,866,974,310.78 and 375,454,463,494.60 is: 518,128,770,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,307,261,784.17 : 949,866,974,310.78 = 375,454,463,494.60 : x
  2. Step 2: Convert to fraction form
    688,307,261,784.17/949,866,974,310.78 = 375,454,463,494.60/x
  3. Step 3: Cross multiply
    688,307,261,784.17x = 949,866,974,310.78 × 375,454,463,494.60
  4. Step 4: Simplify right side
    688,307,261,784.17x = 356,631,795,231,092,889,354,240
  5. Step 5: Solve for x
    x = 356,631,795,231,092,889,354,240/688,307,261,784.17
  6. Step 6: Final answer
    x = 518,128,770,437.00

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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.