Home / 327,315,978,045.45-490,973,967,068.18-193,423,457,047.05

Finding the Fourth Proportional to 327,315,978,045.45, 490,973,967,068.18 and 193,423,457,047.05

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Solution

The fourth proportional to 327,315,978,045.45, 490,973,967,068.18 and 193,423,457,047.05 is: 290,135,185,570.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,315,978,045.45 : 490,973,967,068.18 = 193,423,457,047.05 : x
  2. Step 2: Convert to fraction form
    327,315,978,045.45/490,973,967,068.18 = 193,423,457,047.05/x
  3. Step 3: Cross multiply
    327,315,978,045.45x = 490,973,967,068.18 × 193,423,457,047.05
  4. Step 4: Simplify right side
    327,315,978,045.45x = 94,965,882,030,431,846,531,072
  5. Step 5: Solve for x
    x = 94,965,882,030,431,846,531,072/327,315,978,045.45
  6. Step 6: Final answer
    x = 290,135,185,570.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.