Home / 889,794,711.27-1,333,757,767.50-299,379,988.80

Finding the Fourth Proportional to 889,794,711.27, 1,333,757,767.50 and 299,379,988.80

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Solution

The fourth proportional to 889,794,711.27, 1,333,757,767.50 and 299,379,988.80 is: 448,755,629.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,794,711.27 : 1,333,757,767.50 = 299,379,988.80 : x
  2. Step 2: Convert to fraction form
    889,794,711.27/1,333,757,767.50 = 299,379,988.80/x
  3. Step 3: Cross multiply
    889,794,711.27x = 1,333,757,767.50 × 299,379,988.80
  4. Step 4: Simplify right side
    889,794,711.27x = 399,300,385,496,063,040
  5. Step 5: Solve for x
    x = 399,300,385,496,063,040/889,794,711.27
  6. Step 6: Final answer
    x = 448,755,629.18

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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.