Home / 446,915,659.53-669,938,720.13-213,685,762.89

Finding the Fourth Proportional to 446,915,659.53, 669,938,720.13 and 213,685,762.89

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Solution

The fourth proportional to 446,915,659.53, 669,938,720.13 and 213,685,762.89 is: 320,320,766.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,915,659.53 : 669,938,720.13 = 213,685,762.89 : x
  2. Step 2: Convert to fraction form
    446,915,659.53/669,938,720.13 = 213,685,762.89/x
  3. Step 3: Cross multiply
    446,915,659.53x = 669,938,720.13 × 213,685,762.89
  4. Step 4: Simplify right side
    446,915,659.53x = 143,156,366,500,529,232
  5. Step 5: Solve for x
    x = 143,156,366,500,529,232/446,915,659.53
  6. Step 6: Final answer
    x = 320,320,766.23

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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.