Home / 497,741,333.86-686,691,464.97-311,778,604.90

Finding the Fourth Proportional to 497,741,333.86, 686,691,464.97 and 311,778,604.90

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Solution

The fourth proportional to 497,741,333.86, 686,691,464.97 and 311,778,604.90 is: 430,134,474.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,741,333.86 : 686,691,464.97 = 311,778,604.90 : x
  2. Step 2: Convert to fraction form
    497,741,333.86/686,691,464.97 = 311,778,604.90/x
  3. Step 3: Cross multiply
    497,741,333.86x = 686,691,464.97 × 311,778,604.90
  4. Step 4: Simplify right side
    497,741,333.86x = 214,095,706,945,083,808
  5. Step 5: Solve for x
    x = 214,095,706,945,083,808/497,741,333.86
  6. Step 6: Final answer
    x = 430,134,474.24

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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.