Home / 290,861,446.60-401,534,249.70-180,888,589

Finding the Fourth Proportional to 290,861,446.60, 401,534,249.70 and 180,888,589

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Solution

The fourth proportional to 290,861,446.60, 401,534,249.70 and 180,888,589 is: 249,716,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,861,446.60 : 401,534,249.70 = 180,888,589 : x
  2. Step 2: Convert to fraction form
    290,861,446.60/401,534,249.70 = 180,888,589/x
  3. Step 3: Cross multiply
    290,861,446.60x = 401,534,249.70 × 180,888,589
  4. Step 4: Simplify right side
    290,861,446.60x = 72,632,963,863,406,672
  5. Step 5: Solve for x
    x = 72,632,963,863,406,672/290,861,446.60
  6. Step 6: Final answer
    x = 249,716,711.21

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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.