Home / 1,100,644,125-1,518,388,403.01-654,354,257.04

Finding the Fourth Proportional to 1,100,644,125, 1,518,388,403.01 and 654,354,257.04

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Solution

The fourth proportional to 1,100,644,125, 1,518,388,403.01 and 654,354,257.04 is: 902,711,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,644,125 : 1,518,388,403.01 = 654,354,257.04 : x
  2. Step 2: Convert to fraction form
    1,100,644,125/1,518,388,403.01 = 654,354,257.04/x
  3. Step 3: Cross multiply
    1,100,644,125x = 1,518,388,403.01 × 654,354,257.04
  4. Step 4: Simplify right side
    1,100,644,125x = 993,563,915,349,760,640
  5. Step 5: Solve for x
    x = 993,563,915,349,760,640/1,100,644,125
  6. Step 6: Final answer
    x = 902,711,324.02

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1.5x scale

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.