Home / 517,666,423.62-714,397,293.21-306,154,566.38

Finding the Fourth Proportional to 517,666,423.62, 714,397,293.21 and 306,154,566.38

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Solution

The fourth proportional to 517,666,423.62, 714,397,293.21 and 306,154,566.38 is: 422,503,727.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,666,423.62 : 714,397,293.21 = 306,154,566.38 : x
  2. Step 2: Convert to fraction form
    517,666,423.62/714,397,293.21 = 306,154,566.38/x
  3. Step 3: Cross multiply
    517,666,423.62x = 714,397,293.21 × 306,154,566.38
  4. Step 4: Simplify right side
    517,666,423.62x = 218,715,993,522,935,488
  5. Step 5: Solve for x
    x = 218,715,993,522,935,488/517,666,423.62
  6. Step 6: Final answer
    x = 422,503,727.38

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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.