Home / 281,074,910,712.66-387,883,376,783.43-160,780,848,878.16

Finding the Fourth Proportional to 281,074,910,712.66, 387,883,376,783.43 and 160,780,848,878.16

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Solution

The fourth proportional to 281,074,910,712.66, 387,883,376,783.43 and 160,780,848,878.16 is: 221,877,571,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,074,910,712.66 : 387,883,376,783.43 = 160,780,848,878.16 : x
  2. Step 2: Convert to fraction form
    281,074,910,712.66/387,883,376,783.43 = 160,780,848,878.16/x
  3. Step 3: Cross multiply
    281,074,910,712.66x = 387,883,376,783.43 × 160,780,848,878.16
  4. Step 4: Simplify right side
    281,074,910,712.66x = 62,364,218,584,967,055,147,008
  5. Step 5: Solve for x
    x = 62,364,218,584,967,055,147,008/281,074,910,712.66
  6. Step 6: Final answer
    x = 221,877,571,451.84

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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.