Home / 316,047,678,049.42-436,146,227,608.98-171,531,809,967.22

Finding the Fourth Proportional to 316,047,678,049.42, 436,146,227,608.98 and 171,531,809,967.22

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Solution

The fourth proportional to 316,047,678,049.42, 436,146,227,608.98 and 171,531,809,967.22 is: 236,714,132,164.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,047,678,049.42 : 436,146,227,608.98 = 171,531,809,967.22 : x
  2. Step 2: Convert to fraction form
    316,047,678,049.42/436,146,227,608.98 = 171,531,809,967.22/x
  3. Step 3: Cross multiply
    316,047,678,049.42x = 436,146,227,608.98 × 171,531,809,967.22
  4. Step 4: Simplify right side
    316,047,678,049.42x = 74,812,951,832,143,431,991,296
  5. Step 5: Solve for x
    x = 74,812,951,832,143,431,991,296/316,047,678,049.42
  6. Step 6: Final answer
    x = 236,714,132,164.72

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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.