Home / 579,698,531.32-799,987,452.24-315,382,420.48

Finding the Fourth Proportional to 579,698,531.32, 799,987,452.24 and 315,382,420.48

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Solution

The fourth proportional to 579,698,531.32, 799,987,452.24 and 315,382,420.48 is: 435,229,633.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,698,531.32 : 799,987,452.24 = 315,382,420.48 : x
  2. Step 2: Convert to fraction form
    579,698,531.32/799,987,452.24 = 315,382,420.48/x
  3. Step 3: Cross multiply
    579,698,531.32x = 799,987,452.24 × 315,382,420.48
  4. Step 4: Simplify right side
    579,698,531.32x = 252,301,979,041,079,616
  5. Step 5: Solve for x
    x = 252,301,979,041,079,616/579,698,531.32
  6. Step 6: Final answer
    x = 435,229,633.01

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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.