Home / 286,095,181.74-394,951,308.39-191,975,653.86

Finding the Fourth Proportional to 286,095,181.74, 394,951,308.39 and 191,975,653.86

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Solution

The fourth proportional to 286,095,181.74, 394,951,308.39 and 191,975,653.86 is: 265,020,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,095,181.74 : 394,951,308.39 = 191,975,653.86 : x
  2. Step 2: Convert to fraction form
    286,095,181.74/394,951,308.39 = 191,975,653.86/x
  3. Step 3: Cross multiply
    286,095,181.74x = 394,951,308.39 × 191,975,653.86
  4. Step 4: Simplify right side
    286,095,181.74x = 75,821,035,671,032,752
  5. Step 5: Solve for x
    x = 75,821,035,671,032,752/286,095,181.74
  6. Step 6: Final answer
    x = 265,020,316.70

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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.