Home / 889,181,851.08-1,333,513,398.42-298,905,371.13

Finding the Fourth Proportional to 889,181,851.08, 1,333,513,398.42 and 298,905,371.13

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Solution

The fourth proportional to 889,181,851.08, 1,333,513,398.42 and 298,905,371.13 is: 448,270,864.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,181,851.08 : 1,333,513,398.42 = 298,905,371.13 : x
  2. Step 2: Convert to fraction form
    889,181,851.08/1,333,513,398.42 = 298,905,371.13/x
  3. Step 3: Cross multiply
    889,181,851.08x = 1,333,513,398.42 × 298,905,371.13
  4. Step 4: Simplify right side
    889,181,851.08x = 398,594,317,261,557,696
  5. Step 5: Solve for x
    x = 398,594,317,261,557,696/889,181,851.08
  6. Step 6: Final answer
    x = 448,270,864.70

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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.