Home / 647,466,838,992.16-893,468,839,591.20-354,435,074,496.96

Finding the Fourth Proportional to 647,466,838,992.16, 893,468,839,591.20 and 354,435,074,496.96

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Solution

The fourth proportional to 647,466,838,992.16, 893,468,839,591.20 and 354,435,074,496.96 is: 489,101,025,180.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,466,838,992.16 : 893,468,839,591.20 = 354,435,074,496.96 : x
  2. Step 2: Convert to fraction form
    647,466,838,992.16/893,468,839,591.20 = 354,435,074,496.96/x
  3. Step 3: Cross multiply
    647,466,838,992.16x = 893,468,839,591.20 × 354,435,074,496.96
  4. Step 4: Simplify right side
    647,466,838,992.16x = 316,676,694,721,219,369,369,600
  5. Step 5: Solve for x
    x = 316,676,694,721,219,369,369,600/647,466,838,992.16
  6. Step 6: Final answer
    x = 489,101,025,180.15

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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.