Home / 426,400,361.98-637,754,117.19-251,105,544.64

Finding the Fourth Proportional to 426,400,361.98, 637,754,117.19 and 251,105,544.64

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Solution

The fourth proportional to 426,400,361.98, 637,754,117.19 and 251,105,544.64 is: 375,570,963.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,400,361.98 : 637,754,117.19 = 251,105,544.64 : x
  2. Step 2: Convert to fraction form
    426,400,361.98/637,754,117.19 = 251,105,544.64/x
  3. Step 3: Cross multiply
    426,400,361.98x = 637,754,117.19 × 251,105,544.64
  4. Step 4: Simplify right side
    426,400,361.98x = 160,143,594,943,397,344
  5. Step 5: Solve for x
    x = 160,143,594,943,397,344/426,400,361.98
  6. Step 6: Final answer
    x = 375,570,963.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.