Home / 316,409,908,221.93-436,683,106,481.49-187,951,864,361.89

Finding the Fourth Proportional to 316,409,908,221.93, 436,683,106,481.49 and 187,951,864,361.89

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Solution

The fourth proportional to 316,409,908,221.93, 436,683,106,481.49 and 187,951,864,361.89 is: 259,395,808,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,409,908,221.93 : 436,683,106,481.49 = 187,951,864,361.89 : x
  2. Step 2: Convert to fraction form
    316,409,908,221.93/436,683,106,481.49 = 187,951,864,361.89/x
  3. Step 3: Cross multiply
    316,409,908,221.93x = 436,683,106,481.49 × 187,951,864,361.89
  4. Step 4: Simplify right side
    316,409,908,221.93x = 82,075,403,998,537,785,016,320
  5. Step 5: Solve for x
    x = 82,075,403,998,537,785,016,320/316,409,908,221.93
  6. Step 6: Final answer
    x = 259,395,808,619.78

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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.