Home / 155,289,684,395.86-232,957,817,317.63-54,542,794,791.45

Finding the Fourth Proportional to 155,289,684,395.86, 232,957,817,317.63 and 54,542,794,791.45

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Solution

The fourth proportional to 155,289,684,395.86, 232,957,817,317.63 and 54,542,794,791.45 is: 81,822,372,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,289,684,395.86 : 232,957,817,317.63 = 54,542,794,791.45 : x
  2. Step 2: Convert to fraction form
    155,289,684,395.86/232,957,817,317.63 = 54,542,794,791.45/x
  3. Step 3: Cross multiply
    155,289,684,395.86x = 232,957,817,317.63 × 54,542,794,791.45
  4. Step 4: Simplify right side
    155,289,684,395.86x = 12,706,170,425,019,589,459,968
  5. Step 5: Solve for x
    x = 12,706,170,425,019,589,459,968/155,289,684,395.86
  6. Step 6: Final answer
    x = 81,822,372,647.94

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1.5x scale

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.