Home / 433,535,290.92-650,157,158.22-157,128,644.79

Finding the Fourth Proportional to 433,535,290.92, 650,157,158.22 and 157,128,644.79

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Solution

The fourth proportional to 433,535,290.92, 650,157,158.22 and 157,128,644.79 is: 235,640,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,535,290.92 : 650,157,158.22 = 157,128,644.79 : x
  2. Step 2: Convert to fraction form
    433,535,290.92/650,157,158.22 = 157,128,644.79/x
  3. Step 3: Cross multiply
    433,535,290.92x = 650,157,158.22 × 157,128,644.79
  4. Step 4: Simplify right side
    433,535,290.92x = 102,158,313,171,626,208
  5. Step 5: Solve for x
    x = 102,158,313,171,626,208/433,535,290.92
  6. Step 6: Final answer
    x = 235,640,131.98

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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.