Home / 517,666,424.62-714,397,294.59-306,154,567.38

Finding the Fourth Proportional to 517,666,424.62, 714,397,294.59 and 306,154,567.38

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Solution

The fourth proportional to 517,666,424.62, 714,397,294.59 and 306,154,567.38 is: 422,503,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,666,424.62 : 714,397,294.59 = 306,154,567.38 : x
  2. Step 2: Convert to fraction form
    517,666,424.62/714,397,294.59 = 306,154,567.38/x
  3. Step 3: Cross multiply
    517,666,424.62x = 714,397,294.59 × 306,154,567.38
  4. Step 4: Simplify right side
    517,666,424.62x = 218,715,994,662,643,872
  5. Step 5: Solve for x
    x = 218,715,994,662,643,872/517,666,424.62
  6. Step 6: Final answer
    x = 422,503,728.77

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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.