Home / 318,450,786,533.88-477,743,266,633.58-103,302,529,487.91

Finding the Fourth Proportional to 318,450,786,533.88, 477,743,266,633.58 and 103,302,529,487.91

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Solution

The fourth proportional to 318,450,786,533.88, 477,743,266,633.58 and 103,302,529,487.91 is: 154,975,556,588.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,450,786,533.88 : 477,743,266,633.58 = 103,302,529,487.91 : x
  2. Step 2: Convert to fraction form
    318,450,786,533.88/477,743,266,633.58 = 103,302,529,487.91/x
  3. Step 3: Cross multiply
    318,450,786,533.88x = 477,743,266,633.58 × 103,302,529,487.91
  4. Step 4: Simplify right side
    318,450,786,533.88x = 49,352,087,889,065,854,107,648
  5. Step 5: Solve for x
    x = 49,352,087,889,065,854,107,648/318,450,786,533.88
  6. Step 6: Final answer
    x = 154,975,556,588.29

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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.