Home / 786,757,249.50-1,085,696,541.41-434,325,672.72

Finding the Fourth Proportional to 786,757,249.50, 1,085,696,541.41 and 434,325,672.72

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Solution

The fourth proportional to 786,757,249.50, 1,085,696,541.41 and 434,325,672.72 is: 599,353,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,757,249.50 : 1,085,696,541.41 = 434,325,672.72 : x
  2. Step 2: Convert to fraction form
    786,757,249.50/1,085,696,541.41 = 434,325,672.72/x
  3. Step 3: Cross multiply
    786,757,249.50x = 1,085,696,541.41 × 434,325,672.72
  4. Step 4: Simplify right side
    786,757,249.50x = 471,545,880,715,504,000
  5. Step 5: Solve for x
    x = 471,545,880,715,504,000/786,757,249.50
  6. Step 6: Final answer
    x = 599,353,715.54

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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.