Home / 688,307,261,592.86-949,866,974,046.77-375,454,463,303.14

Finding the Fourth Proportional to 688,307,261,592.86, 949,866,974,046.77 and 375,454,463,303.14

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Solution

The fourth proportional to 688,307,261,592.86, 949,866,974,046.77 and 375,454,463,303.14 is: 518,128,770,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,307,261,592.86 : 949,866,974,046.77 = 375,454,463,303.14 : x
  2. Step 2: Convert to fraction form
    688,307,261,592.86/949,866,974,046.77 = 375,454,463,303.14/x
  3. Step 3: Cross multiply
    688,307,261,592.86x = 949,866,974,046.77 × 375,454,463,303.14
  4. Step 4: Simplify right side
    688,307,261,592.86x = 356,631,794,950,107,673,133,056
  5. Step 5: Solve for x
    x = 356,631,794,950,107,673,133,056/688,307,261,592.86
  6. Step 6: Final answer
    x = 518,128,770,172.79

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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.