Home / 647,255,023.72-893,454,834.90-424,251,076.52

Finding the Fourth Proportional to 647,255,023.72, 893,454,834.90 and 424,251,076.52

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Solution

The fourth proportional to 647,255,023.72, 893,454,834.90 and 424,251,076.52 is: 585,625,698.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,255,023.72 : 893,454,834.90 = 424,251,076.52 : x
  2. Step 2: Convert to fraction form
    647,255,023.72/893,454,834.90 = 424,251,076.52/x
  3. Step 3: Cross multiply
    647,255,023.72x = 893,454,834.90 × 424,251,076.52
  4. Step 4: Simplify right side
    647,255,023.72x = 379,049,175,528,323,840
  5. Step 5: Solve for x
    x = 379,049,175,528,323,840/647,255,023.72
  6. Step 6: Final answer
    x = 585,625,698.74

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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.