Home / 672,332,181.12-927,818,448.72-363,282,837.12

Finding the Fourth Proportional to 672,332,181.12, 927,818,448.72 and 363,282,837.12

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Solution

The fourth proportional to 672,332,181.12, 927,818,448.72 and 363,282,837.12 is: 501,330,336.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,332,181.12 : 927,818,448.72 = 363,282,837.12 : x
  2. Step 2: Convert to fraction form
    672,332,181.12/927,818,448.72 = 363,282,837.12/x
  3. Step 3: Cross multiply
    672,332,181.12x = 927,818,448.72 × 363,282,837.12
  4. Step 4: Simplify right side
    672,332,181.12x = 337,060,518,383,278,848
  5. Step 5: Solve for x
    x = 337,060,518,383,278,848/672,332,181.12
  6. Step 6: Final answer
    x = 501,330,336.18

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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.