Home / 422,567,186.40-633,850,779.60-291,053,253.60

Finding the Fourth Proportional to 422,567,186.40, 633,850,779.60 and 291,053,253.60

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Solution

The fourth proportional to 422,567,186.40, 633,850,779.60 and 291,053,253.60 is: 436,579,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,567,186.40 : 633,850,779.60 = 291,053,253.60 : x
  2. Step 2: Convert to fraction form
    422,567,186.40/633,850,779.60 = 291,053,253.60/x
  3. Step 3: Cross multiply
    422,567,186.40x = 633,850,779.60 × 291,053,253.60
  4. Step 4: Simplify right side
    422,567,186.40x = 184,484,331,699,476,544
  5. Step 5: Solve for x
    x = 184,484,331,699,476,544/422,567,186.40
  6. Step 6: Final answer
    x = 436,579,880.40

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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.