Home / 7,146,162,186.23-9,861,975,901.75-3,974,575,442.33

Finding the Fourth Proportional to 7,146,162,186.23, 9,861,975,901.75 and 3,974,575,442.33

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Solution

The fourth proportional to 7,146,162,186.23, 9,861,975,901.75 and 3,974,575,442.33 is: 5,485,065,439.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,162,186.23 : 9,861,975,901.75 = 3,974,575,442.33 : x
  2. Step 2: Convert to fraction form
    7,146,162,186.23/9,861,975,901.75 = 3,974,575,442.33/x
  3. Step 3: Cross multiply
    7,146,162,186.23x = 9,861,975,901.75 × 3,974,575,442.33
  4. Step 4: Simplify right side
    7,146,162,186.23x = 39,197,167,231,960,522,752
  5. Step 5: Solve for x
    x = 39,197,167,231,960,522,752/7,146,162,186.23
  6. Step 6: Final answer
    x = 5,485,065,439.39

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Double scale
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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.