Home / 422,533,622.16-583,200,124.20-257,612,127.12

Finding the Fourth Proportional to 422,533,622.16, 583,200,124.20 and 257,612,127.12

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Solution

The fourth proportional to 422,533,622.16, 583,200,124.20 and 257,612,127.12 is: 355,567,975.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,533,622.16 : 583,200,124.20 = 257,612,127.12 : x
  2. Step 2: Convert to fraction form
    422,533,622.16/583,200,124.20 = 257,612,127.12/x
  3. Step 3: Cross multiply
    422,533,622.16x = 583,200,124.20 × 257,612,127.12
  4. Step 4: Simplify right side
    422,533,622.16x = 150,239,424,531,810,208
  5. Step 5: Solve for x
    x = 150,239,424,531,810,208/422,533,622.16
  6. Step 6: Final answer
    x = 355,567,975.31

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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.