Home / 1,540,867,779-2,310,816,144.24-505,487,391.48

Finding the Fourth Proportional to 1,540,867,779, 2,310,816,144.24 and 505,487,391.48

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Solution

The fourth proportional to 1,540,867,779, 2,310,816,144.24 and 505,487,391.48 is: 758,071,809.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,867,779 : 2,310,816,144.24 = 505,487,391.48 : x
  2. Step 2: Convert to fraction form
    1,540,867,779/2,310,816,144.24 = 505,487,391.48/x
  3. Step 3: Cross multiply
    1,540,867,779x = 2,310,816,144.24 × 505,487,391.48
  4. Step 4: Simplify right side
    1,540,867,779x = 1,168,088,424,941,748,992
  5. Step 5: Solve for x
    x = 1,168,088,424,941,748,992/1,540,867,779
  6. Step 6: Final answer
    x = 758,071,809.19

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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.