Home / 511,407,746.30-767,139,003.42-161,627,205.83

Finding the Fourth Proportional to 511,407,746.30, 767,139,003.42 and 161,627,205.83

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Solution

The fourth proportional to 511,407,746.30, 767,139,003.42 and 161,627,205.83 is: 242,449,463.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,407,746.30 : 767,139,003.42 = 161,627,205.83 : x
  2. Step 2: Convert to fraction form
    511,407,746.30/767,139,003.42 = 161,627,205.83/x
  3. Step 3: Cross multiply
    511,407,746.30x = 767,139,003.42 × 161,627,205.83
  4. Step 4: Simplify right side
    511,407,746.30x = 123,990,533,602,149,696
  5. Step 5: Solve for x
    x = 123,990,533,602,149,696/511,407,746.30
  6. Step 6: Final answer
    x = 242,449,463.27

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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.