Home / 419,245,742.43-578,690,173.53-270,567,150.93

Finding the Fourth Proportional to 419,245,742.43, 578,690,173.53 and 270,567,150.93

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Solution

The fourth proportional to 419,245,742.43, 578,690,173.53 and 270,567,150.93 is: 373,467,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,245,742.43 : 578,690,173.53 = 270,567,150.93 : x
  2. Step 2: Convert to fraction form
    419,245,742.43/578,690,173.53 = 270,567,150.93/x
  3. Step 3: Cross multiply
    419,245,742.43x = 578,690,173.53 × 270,567,150.93
  4. Step 4: Simplify right side
    419,245,742.43x = 156,574,551,523,199,392
  5. Step 5: Solve for x
    x = 156,574,551,523,199,392/419,245,742.43
  6. Step 6: Final answer
    x = 373,467,242.90

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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.