Home / 905,392,903.70-1,356,703,210.52-609,190,896.54

Finding the Fourth Proportional to 905,392,903.70, 1,356,703,210.52 and 609,190,896.54

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Solution

The fourth proportional to 905,392,903.70, 1,356,703,210.52 and 609,190,896.54 is: 912,853,681.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,392,903.70 : 1,356,703,210.52 = 609,190,896.54 : x
  2. Step 2: Convert to fraction form
    905,392,903.70/1,356,703,210.52 = 609,190,896.54/x
  3. Step 3: Cross multiply
    905,392,903.70x = 1,356,703,210.52 × 609,190,896.54
  4. Step 4: Simplify right side
    905,392,903.70x = 826,491,245,155,375,104
  5. Step 5: Solve for x
    x = 826,491,245,155,375,104/905,392,903.70
  6. Step 6: Final answer
    x = 912,853,681.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.