Home / 647,255,013.53-893,454,820.81-424,251,066.33

Finding the Fourth Proportional to 647,255,013.53, 893,454,820.81 and 424,251,066.33

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Solution

The fourth proportional to 647,255,013.53, 893,454,820.81 and 424,251,066.33 is: 585,625,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,255,013.53 : 893,454,820.81 = 424,251,066.33 : x
  2. Step 2: Convert to fraction form
    647,255,013.53/893,454,820.81 = 424,251,066.33/x
  3. Step 3: Cross multiply
    647,255,013.53x = 893,454,820.81 × 424,251,066.33
  4. Step 4: Simplify right side
    647,255,013.53x = 379,049,160,446,321,536
  5. Step 5: Solve for x
    x = 379,049,160,446,321,536/647,255,013.53
  6. Step 6: Final answer
    x = 585,625,684.66

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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.