Home / 493,081,284.74-680,463,184.86-281,383,899.84

Finding the Fourth Proportional to 493,081,284.74, 680,463,184.86 and 281,383,899.84

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Solution

The fourth proportional to 493,081,284.74, 680,463,184.86 and 281,383,899.84 is: 388,316,065.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,081,284.74 : 680,463,184.86 = 281,383,899.84 : x
  2. Step 2: Convert to fraction form
    493,081,284.74/680,463,184.86 = 281,383,899.84/x
  3. Step 3: Cross multiply
    493,081,284.74x = 680,463,184.86 × 281,383,899.84
  4. Step 4: Simplify right side
    493,081,284.74x = 191,471,384,653,453,632
  5. Step 5: Solve for x
    x = 191,471,384,653,453,632/493,081,284.74
  6. Step 6: Final answer
    x = 388,316,065.89

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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.