Home / 688,307,261,592.36-949,866,974,046.08-375,454,463,302.64

Finding the Fourth Proportional to 688,307,261,592.36, 949,866,974,046.08 and 375,454,463,302.64

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Solution

The fourth proportional to 688,307,261,592.36, 949,866,974,046.08 and 375,454,463,302.64 is: 518,128,770,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,307,261,592.36 : 949,866,974,046.08 = 375,454,463,302.64 : x
  2. Step 2: Convert to fraction form
    688,307,261,592.36/949,866,974,046.08 = 375,454,463,302.64/x
  3. Step 3: Cross multiply
    688,307,261,592.36x = 949,866,974,046.08 × 375,454,463,302.64
  4. Step 4: Simplify right side
    688,307,261,592.36x = 356,631,794,949,373,636,378,624
  5. Step 5: Solve for x
    x = 356,631,794,949,373,636,378,624/688,307,261,592.36
  6. Step 6: Final answer
    x = 518,128,770,172.10

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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.