Home / 603,857,391.16-905,561,811.22-210,283,147.53

Finding the Fourth Proportional to 603,857,391.16, 905,561,811.22 and 210,283,147.53

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Solution

The fourth proportional to 603,857,391.16, 905,561,811.22 and 210,283,147.53 is: 315,346,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,857,391.16 : 905,561,811.22 = 210,283,147.53 : x
  2. Step 2: Convert to fraction form
    603,857,391.16/905,561,811.22 = 210,283,147.53/x
  3. Step 3: Cross multiply
    603,857,391.16x = 905,561,811.22 × 210,283,147.53
  4. Step 4: Simplify right side
    603,857,391.16x = 190,424,387,946,309,280
  5. Step 5: Solve for x
    x = 190,424,387,946,309,280/603,857,391.16
  6. Step 6: Final answer
    x = 315,346,621.13

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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.