Home / 1,608,712,395.15-2,414,262,986.33-640,059,185.55

Finding the Fourth Proportional to 1,608,712,395.15, 2,414,262,986.33 and 640,059,185.55

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Solution

The fourth proportional to 1,608,712,395.15, 2,414,262,986.33 and 640,059,185.55 is: 960,563,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,712,395.15 : 2,414,262,986.33 = 640,059,185.55 : x
  2. Step 2: Convert to fraction form
    1,608,712,395.15/2,414,262,986.33 = 640,059,185.55/x
  3. Step 3: Cross multiply
    1,608,712,395.15x = 2,414,262,986.33 × 640,059,185.55
  4. Step 4: Simplify right side
    1,608,712,395.15x = 1,545,271,200,730,690,048
  5. Step 5: Solve for x
    x = 1,545,271,200,730,690,048/1,608,712,395.15
  6. Step 6: Final answer
    x = 960,563,992.29

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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.