Home / 383,735,645.32-529,075,277.94-320,247,387.40

Finding the Fourth Proportional to 383,735,645.32, 529,075,277.94 and 320,247,387.40

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Solution

The fourth proportional to 383,735,645.32, 529,075,277.94 and 320,247,387.40 is: 441,540,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,735,645.32 : 529,075,277.94 = 320,247,387.40 : x
  2. Step 2: Convert to fraction form
    383,735,645.32/529,075,277.94 = 320,247,387.40/x
  3. Step 3: Cross multiply
    383,735,645.32x = 529,075,277.94 × 320,247,387.40
  4. Step 4: Simplify right side
    383,735,645.32x = 169,434,975,498,213,856
  5. Step 5: Solve for x
    x = 169,434,975,498,213,856/383,735,645.32
  6. Step 6: Final answer
    x = 441,540,882.54

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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.