Home / 786,624,806.35-1,085,542,339.01-434,200,863.57

Finding the Fourth Proportional to 786,624,806.35, 1,085,542,339.01 and 434,200,863.57

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Solution

The fourth proportional to 786,624,806.35, 1,085,542,339.01 and 434,200,863.57 is: 599,197,250.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,624,806.35 : 1,085,542,339.01 = 434,200,863.57 : x
  2. Step 2: Convert to fraction form
    786,624,806.35/1,085,542,339.01 = 434,200,863.57/x
  3. Step 3: Cross multiply
    786,624,806.35x = 1,085,542,339.01 × 434,200,863.57
  4. Step 4: Simplify right side
    786,624,806.35x = 471,343,421,043,456,832
  5. Step 5: Solve for x
    x = 471,343,421,043,456,832/786,624,806.35
  6. Step 6: Final answer
    x = 599,197,250.38

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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.