Home / 281,074,910,711.16-387,883,376,781.36-160,780,848,876.66

Finding the Fourth Proportional to 281,074,910,711.16, 387,883,376,781.36 and 160,780,848,876.66

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Solution

The fourth proportional to 281,074,910,711.16, 387,883,376,781.36 and 160,780,848,876.66 is: 221,877,571,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,074,910,711.16 : 387,883,376,781.36 = 160,780,848,876.66 : x
  2. Step 2: Convert to fraction form
    281,074,910,711.16/387,883,376,781.36 = 160,780,848,876.66/x
  3. Step 3: Cross multiply
    281,074,910,711.16x = 387,883,376,781.36 × 160,780,848,876.66
  4. Step 4: Simplify right side
    281,074,910,711.16x = 62,364,218,584,052,411,662,336
  5. Step 5: Solve for x
    x = 62,364,218,584,052,411,662,336/281,074,910,711.16
  6. Step 6: Final answer
    x = 221,877,571,449.77

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1.5x scale

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.