Home / 690,222,302.84-952,530,283.24-408,206,493.38

Finding the Fourth Proportional to 690,222,302.84, 952,530,283.24 and 408,206,493.38

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Solution

The fourth proportional to 690,222,302.84, 952,530,283.24 and 408,206,493.38 is: 563,338,862.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,222,302.84 : 952,530,283.24 = 408,206,493.38 : x
  2. Step 2: Convert to fraction form
    690,222,302.84/952,530,283.24 = 408,206,493.38/x
  3. Step 3: Cross multiply
    690,222,302.84x = 952,530,283.24 × 408,206,493.38
  4. Step 4: Simplify right side
    690,222,302.84x = 388,829,046,759,658,560
  5. Step 5: Solve for x
    x = 388,829,046,759,658,560/690,222,302.84
  6. Step 6: Final answer
    x = 563,338,862.22

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1.5x scale

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.