Home / 713,570,156.24-985,149,000-449,478,523.04

Finding the Fourth Proportional to 713,570,156.24, 985,149,000 and 449,478,523.04

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Solution

The fourth proportional to 713,570,156.24, 985,149,000 and 449,478,523.04 is: 620,546,296.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,570,156.24 : 985,149,000 = 449,478,523.04 : x
  2. Step 2: Convert to fraction form
    713,570,156.24/985,149,000 = 449,478,523.04/x
  3. Step 3: Cross multiply
    713,570,156.24x = 985,149,000 × 449,478,523.04
  4. Step 4: Simplify right side
    713,570,156.24x = 442,803,317,494,332,992
  5. Step 5: Solve for x
    x = 442,803,317,494,332,992/713,570,156.24
  6. Step 6: Final answer
    x = 620,546,296.14

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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.