Home / 551,255,900.67-760,723,522.53-300,362,369.25

Finding the Fourth Proportional to 551,255,900.67, 760,723,522.53 and 300,362,369.25

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Solution

The fourth proportional to 551,255,900.67, 760,723,522.53 and 300,362,369.25 is: 414,494,827.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,255,900.67 : 760,723,522.53 = 300,362,369.25 : x
  2. Step 2: Convert to fraction form
    551,255,900.67/760,723,522.53 = 300,362,369.25/x
  3. Step 3: Cross multiply
    551,255,900.67x = 760,723,522.53 × 300,362,369.25
  4. Step 4: Simplify right side
    551,255,900.67x = 228,492,719,569,814,720
  5. Step 5: Solve for x
    x = 228,492,719,569,814,720/551,255,900.67
  6. Step 6: Final answer
    x = 414,494,827.71

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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.