Home / 18,732,448,988.84-28,100,325,116.16-5,286,852,662.04

Finding the Fourth Proportional to 18,732,448,988.84, 28,100,325,116.16 and 5,286,852,662.04

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Solution

The fourth proportional to 18,732,448,988.84, 28,100,325,116.16 and 5,286,852,662.04 is: 7,930,745,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732,448,988.84 : 28,100,325,116.16 = 5,286,852,662.04 : x
  2. Step 2: Convert to fraction form
    18,732,448,988.84/28,100,325,116.16 = 5,286,852,662.04/x
  3. Step 3: Cross multiply
    18,732,448,988.84x = 28,100,325,116.16 × 5,286,852,662.04
  4. Step 4: Simplify right side
    18,732,448,988.84x = 148,562,278,644,559,970,304
  5. Step 5: Solve for x
    x = 148,562,278,644,559,970,304/18,732,448,988.84
  6. Step 6: Final answer
    x = 7,930,745,132.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.