Home / 318,450,786,534.06-477,743,266,633.92-103,302,529,488.11

Finding the Fourth Proportional to 318,450,786,534.06, 477,743,266,633.92 and 103,302,529,488.11

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Solution

The fourth proportional to 318,450,786,534.06, 477,743,266,633.92 and 103,302,529,488.11 is: 154,975,556,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,450,786,534.06 : 477,743,266,633.92 = 103,302,529,488.11 : x
  2. Step 2: Convert to fraction form
    318,450,786,534.06/477,743,266,633.92 = 103,302,529,488.11/x
  3. Step 3: Cross multiply
    318,450,786,534.06x = 477,743,266,633.92 × 103,302,529,488.11
  4. Step 4: Simplify right side
    318,450,786,534.06x = 49,352,087,889,196,515,065,856
  5. Step 5: Solve for x
    x = 49,352,087,889,196,515,065,856/318,450,786,534.06
  6. Step 6: Final answer
    x = 154,975,556,588.61

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1.5x scale

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.