Home / 407,822,793,727.86-611,629,848,113.64-120,913,760,810.04

Finding the Fourth Proportional to 407,822,793,727.86, 611,629,848,113.64 and 120,913,760,810.04

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Solution

The fourth proportional to 407,822,793,727.86, 611,629,848,113.64 and 120,913,760,810.04 is: 181,339,705,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,822,793,727.86 : 611,629,848,113.64 = 120,913,760,810.04 : x
  2. Step 2: Convert to fraction form
    407,822,793,727.86/611,629,848,113.64 = 120,913,760,810.04/x
  3. Step 3: Cross multiply
    407,822,793,727.86x = 611,629,848,113.64 × 120,913,760,810.04
  4. Step 4: Simplify right side
    407,822,793,727.86x = 73,954,465,159,093,761,867,776
  5. Step 5: Solve for x
    x = 73,954,465,159,093,761,867,776/407,822,793,727.86
  6. Step 6: Final answer
    x = 181,339,705,128.02

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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.