Home / 649,938,863.97-896,915,632.30-371,486,366.28

Finding the Fourth Proportional to 649,938,863.97, 896,915,632.30 and 371,486,366.28

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Solution

The fourth proportional to 649,938,863.97, 896,915,632.30 and 371,486,366.28 is: 512,651,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,938,863.97 : 896,915,632.30 = 371,486,366.28 : x
  2. Step 2: Convert to fraction form
    649,938,863.97/896,915,632.30 = 371,486,366.28/x
  3. Step 3: Cross multiply
    649,938,863.97x = 896,915,632.30 × 371,486,366.28
  4. Step 4: Simplify right side
    649,938,863.97x = 333,191,929,101,926,848
  5. Step 5: Solve for x
    x = 333,191,929,101,926,848/649,938,863.97
  6. Step 6: Final answer
    x = 512,651,185.48

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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.