Home / 699,707,961.60-1,048,651,562.88-284,701,136.64

Finding the Fourth Proportional to 699,707,961.60, 1,048,651,562.88 and 284,701,136.64

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Solution

The fourth proportional to 699,707,961.60, 1,048,651,562.88 and 284,701,136.64 is: 426,681,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,707,961.60 : 1,048,651,562.88 = 284,701,136.64 : x
  2. Step 2: Convert to fraction form
    699,707,961.60/1,048,651,562.88 = 284,701,136.64/x
  3. Step 3: Cross multiply
    699,707,961.60x = 1,048,651,562.88 × 284,701,136.64
  4. Step 4: Simplify right side
    699,707,961.60x = 298,552,291,891,248,384
  5. Step 5: Solve for x
    x = 298,552,291,891,248,384/699,707,961.60
  6. Step 6: Final answer
    x = 426,681,284.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.