Home / 688,307,261,590.85-949,866,974,044-375,454,463,301.14

Finding the Fourth Proportional to 688,307,261,590.85, 949,866,974,044 and 375,454,463,301.14

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Solution

The fourth proportional to 688,307,261,590.85, 949,866,974,044 and 375,454,463,301.14 is: 518,128,770,170.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,307,261,590.85 : 949,866,974,044 = 375,454,463,301.14 : x
  2. Step 2: Convert to fraction form
    688,307,261,590.85/949,866,974,044 = 375,454,463,301.14/x
  3. Step 3: Cross multiply
    688,307,261,590.85x = 949,866,974,044 × 375,454,463,301.14
  4. Step 4: Simplify right side
    688,307,261,590.85x = 356,631,794,947,167,902,236,672
  5. Step 5: Solve for x
    x = 356,631,794,947,167,902,236,672/688,307,261,590.85
  6. Step 6: Final answer
    x = 518,128,770,170.03

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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.