Home / 688,307,261,596.75-949,866,974,052.30-375,454,463,307.03

Finding the Fourth Proportional to 688,307,261,596.75, 949,866,974,052.30 and 375,454,463,307.03

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Solution

The fourth proportional to 688,307,261,596.75, 949,866,974,052.30 and 375,454,463,307.03 is: 518,128,770,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,307,261,596.75 : 949,866,974,052.30 = 375,454,463,307.03 : x
  2. Step 2: Convert to fraction form
    688,307,261,596.75/949,866,974,052.30 = 375,454,463,307.03/x
  3. Step 3: Cross multiply
    688,307,261,596.75x = 949,866,974,052.30 × 375,454,463,307.03
  4. Step 4: Simplify right side
    688,307,261,596.75x = 356,631,794,955,878,901,219,328
  5. Step 5: Solve for x
    x = 356,631,794,955,878,901,219,328/688,307,261,596.75
  6. Step 6: Final answer
    x = 518,128,770,178.24

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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.