Home / 647,451,086.88-893,428,487.28-365,177,972.64

Finding the Fourth Proportional to 647,451,086.88, 893,428,487.28 and 365,177,972.64

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Solution

The fourth proportional to 647,451,086.88, 893,428,487.28 and 365,177,972.64 is: 503,915,137.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,451,086.88 : 893,428,487.28 = 365,177,972.64 : x
  2. Step 2: Convert to fraction form
    647,451,086.88/893,428,487.28 = 365,177,972.64/x
  3. Step 3: Cross multiply
    647,451,086.88x = 893,428,487.28 × 365,177,972.64
  4. Step 4: Simplify right side
    647,451,086.88x = 326,260,403,683,732,416
  5. Step 5: Solve for x
    x = 326,260,403,683,732,416/647,451,086.88
  6. Step 6: Final answer
    x = 503,915,137.83

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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.