Home / 843,208,627.47-1,163,664,269.49-466,865,222.39

Finding the Fourth Proportional to 843,208,627.47, 1,163,664,269.49 and 466,865,222.39

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Solution

The fourth proportional to 843,208,627.47, 1,163,664,269.49 and 466,865,222.39 is: 644,294,140.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,208,627.47 : 1,163,664,269.49 = 466,865,222.39 : x
  2. Step 2: Convert to fraction form
    843,208,627.47/1,163,664,269.49 = 466,865,222.39/x
  3. Step 3: Cross multiply
    843,208,627.47x = 1,163,664,269.49 × 466,865,222.39
  4. Step 4: Simplify right side
    843,208,627.47x = 543,274,377,962,745,728
  5. Step 5: Solve for x
    x = 543,274,377,962,745,728/843,208,627.47
  6. Step 6: Final answer
    x = 644,294,140.58

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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.