Home / 427,104,003.60-640,656,005.40-373,356,291.60

Finding the Fourth Proportional to 427,104,003.60, 640,656,005.40 and 373,356,291.60

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Solution

The fourth proportional to 427,104,003.60, 640,656,005.40 and 373,356,291.60 is: 560,034,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,104,003.60 : 640,656,005.40 = 373,356,291.60 : x
  2. Step 2: Convert to fraction form
    427,104,003.60/640,656,005.40 = 373,356,291.60/x
  3. Step 3: Cross multiply
    427,104,003.60x = 640,656,005.40 × 373,356,291.60
  4. Step 4: Simplify right side
    427,104,003.60x = 239,192,950,367,413,568
  5. Step 5: Solve for x
    x = 239,192,950,367,413,568/427,104,003.60
  6. Step 6: Final answer
    x = 560,034,437.40

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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.