Home / 2,117,381,391.18-2,922,066,937.53-1,177,651,985.58

Finding the Fourth Proportional to 2,117,381,391.18, 2,922,066,937.53 and 1,177,651,985.58

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Solution

The fourth proportional to 2,117,381,391.18, 2,922,066,937.53 and 1,177,651,985.58 is: 1,625,204,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,381,391.18 : 2,922,066,937.53 = 1,177,651,985.58 : x
  2. Step 2: Convert to fraction form
    2,117,381,391.18/2,922,066,937.53 = 1,177,651,985.58/x
  3. Step 3: Cross multiply
    2,117,381,391.18x = 2,922,066,937.53 × 1,177,651,985.58
  4. Step 4: Simplify right side
    2,117,381,391.18x = 3,441,177,930,979,874,304
  5. Step 5: Solve for x
    x = 3,441,177,930,979,874,304/2,117,381,391.18
  6. Step 6: Final answer
    x = 1,625,204,578.31

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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.