Home / 678,777,187.36-936,686,150.16-414,900,999.04

Finding the Fourth Proportional to 678,777,187.36, 936,686,150.16 and 414,900,999.04

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Solution

The fourth proportional to 678,777,187.36, 936,686,150.16 and 414,900,999.04 is: 572,547,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,777,187.36 : 936,686,150.16 = 414,900,999.04 : x
  2. Step 2: Convert to fraction form
    678,777,187.36/936,686,150.16 = 414,900,999.04/x
  3. Step 3: Cross multiply
    678,777,187.36x = 936,686,150.16 × 414,900,999.04
  4. Step 4: Simplify right side
    678,777,187.36x = 388,632,019,488,315,456
  5. Step 5: Solve for x
    x = 388,632,019,488,315,456/678,777,187.36
  6. Step 6: Final answer
    x = 572,547,261.05

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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.