Home / 986,816,522.97-1,479,178,031.57-461,743,235.91

Finding the Fourth Proportional to 986,816,522.97, 1,479,178,031.57 and 461,743,235.91

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Solution

The fourth proportional to 986,816,522.97, 1,479,178,031.57 and 461,743,235.91 is: 692,125,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,816,522.97 : 1,479,178,031.57 = 461,743,235.91 : x
  2. Step 2: Convert to fraction form
    986,816,522.97/1,479,178,031.57 = 461,743,235.91/x
  3. Step 3: Cross multiply
    986,816,522.97x = 1,479,178,031.57 × 461,743,235.91
  4. Step 4: Simplify right side
    986,816,522.97x = 683,000,450,784,115,968
  5. Step 5: Solve for x
    x = 683,000,450,784,115,968/986,816,522.97
  6. Step 6: Final answer
    x = 692,125,065.69

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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.