Home / 7,146,162,199.17-9,861,975,919.62-3,974,575,455.27

Finding the Fourth Proportional to 7,146,162,199.17, 9,861,975,919.62 and 3,974,575,455.27

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Solution

The fourth proportional to 7,146,162,199.17, 9,861,975,919.62 and 3,974,575,455.27 is: 5,485,065,457.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,162,199.17 : 9,861,975,919.62 = 3,974,575,455.27 : x
  2. Step 2: Convert to fraction form
    7,146,162,199.17/9,861,975,919.62 = 3,974,575,455.27/x
  3. Step 3: Cross multiply
    7,146,162,199.17x = 9,861,975,919.62 × 3,974,575,455.27
  4. Step 4: Simplify right side
    7,146,162,199.17x = 39,197,167,430,585,442,304
  5. Step 5: Solve for x
    x = 39,197,167,430,585,442,304/7,146,162,199.17
  6. Step 6: Final answer
    x = 5,485,065,457.25

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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.