Home / 316,409,908,261.40-436,683,106,536.06-187,951,864,401.34

Finding the Fourth Proportional to 316,409,908,261.40, 436,683,106,536.06 and 187,951,864,401.34

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Solution

The fourth proportional to 316,409,908,261.40, 436,683,106,536.06 and 187,951,864,401.34 is: 259,395,808,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,409,908,261.40 : 436,683,106,536.06 = 187,951,864,401.34 : x
  2. Step 2: Convert to fraction form
    316,409,908,261.40/436,683,106,536.06 = 187,951,864,401.34/x
  3. Step 3: Cross multiply
    316,409,908,261.40x = 436,683,106,536.06 × 187,951,864,401.34
  4. Step 4: Simplify right side
    316,409,908,261.40x = 82,075,404,026,021,448,515,584
  5. Step 5: Solve for x
    x = 82,075,404,026,021,448,515,584/316,409,908,261.40
  6. Step 6: Final answer
    x = 259,395,808,674.28

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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.