Home / 30,165,997,138.87-41,634,141,773.55-17,486,664,134.71

Finding the Fourth Proportional to 30,165,997,138.87, 41,634,141,773.55 and 17,486,664,134.71

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Solution

The fourth proportional to 30,165,997,138.87, 41,634,141,773.55 and 17,486,664,134.71 is: 24,134,533,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,165,997,138.87 : 41,634,141,773.55 = 17,486,664,134.71 : x
  2. Step 2: Convert to fraction form
    30,165,997,138.87/41,634,141,773.55 = 17,486,664,134.71/x
  3. Step 3: Cross multiply
    30,165,997,138.87x = 41,634,141,773.55 × 17,486,664,134.71
  4. Step 4: Simplify right side
    30,165,997,138.87x = 728,042,253,730,968,240,128
  5. Step 5: Solve for x
    x = 728,042,253,730,968,240,128/30,165,997,138.87
  6. Step 6: Final answer
    x = 24,134,533,010.11

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1.5x scale

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.