Home / 318,450,786,538.56-477,743,266,640.64-103,302,529,492.62

Finding the Fourth Proportional to 318,450,786,538.56, 477,743,266,640.64 and 103,302,529,492.62

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Solution

The fourth proportional to 318,450,786,538.56, 477,743,266,640.64 and 103,302,529,492.62 is: 154,975,556,595.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,450,786,538.56 : 477,743,266,640.64 = 103,302,529,492.62 : x
  2. Step 2: Convert to fraction form
    318,450,786,538.56/477,743,266,640.64 = 103,302,529,492.62/x
  3. Step 3: Cross multiply
    318,450,786,538.56x = 477,743,266,640.64 × 103,302,529,492.62
  4. Step 4: Simplify right side
    318,450,786,538.56x = 49,352,087,892,045,336,674,304
  5. Step 5: Solve for x
    x = 49,352,087,892,045,336,674,304/318,450,786,538.56
  6. Step 6: Final answer
    x = 154,975,556,595.37

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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.