Home / 889,794,693.52-1,333,757,740.92-299,379,971.28

Finding the Fourth Proportional to 889,794,693.52, 1,333,757,740.92 and 299,379,971.28

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Solution

The fourth proportional to 889,794,693.52, 1,333,757,740.92 and 299,379,971.28 is: 448,755,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,794,693.52 : 1,333,757,740.92 = 299,379,971.28 : x
  2. Step 2: Convert to fraction form
    889,794,693.52/1,333,757,740.92 = 299,379,971.28/x
  3. Step 3: Cross multiply
    889,794,693.52x = 1,333,757,740.92 × 299,379,971.28
  4. Step 4: Simplify right side
    889,794,693.52x = 399,300,354,164,438,464
  5. Step 5: Solve for x
    x = 399,300,354,164,438,464/889,794,693.52
  6. Step 6: Final answer
    x = 448,755,602.92

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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.