Home / 982,988,438.29-1,356,528,668.32-536,957,989.54

Finding the Fourth Proportional to 982,988,438.29, 1,356,528,668.32 and 536,957,989.54

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Solution

The fourth proportional to 982,988,438.29, 1,356,528,668.32 and 536,957,989.54 is: 741,004,551.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,988,438.29 : 1,356,528,668.32 = 536,957,989.54 : x
  2. Step 2: Convert to fraction form
    982,988,438.29/1,356,528,668.32 = 536,957,989.54/x
  3. Step 3: Cross multiply
    982,988,438.29x = 1,356,528,668.32 × 536,957,989.54
  4. Step 4: Simplify right side
    982,988,438.29x = 728,398,906,494,480,640
  5. Step 5: Solve for x
    x = 728,398,906,494,480,640/982,988,438.29
  6. Step 6: Final answer
    x = 741,004,551.14

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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.