Home / 404,027,366,319.72-557,559,242,667.96-218,629,076,286.34

Finding the Fourth Proportional to 404,027,366,319.72, 557,559,242,667.96 and 218,629,076,286.34

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Solution

The fourth proportional to 404,027,366,319.72, 557,559,242,667.96 and 218,629,076,286.34 is: 301,708,924,595.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,027,366,319.72 : 557,559,242,667.96 = 218,629,076,286.34 : x
  2. Step 2: Convert to fraction form
    404,027,366,319.72/557,559,242,667.96 = 218,629,076,286.34/x
  3. Step 3: Cross multiply
    404,027,366,319.72x = 557,559,242,667.96 × 218,629,076,286.34
  4. Step 4: Simplify right side
    404,027,366,319.72x = 121,898,662,199,407,367,159,808
  5. Step 5: Solve for x
    x = 121,898,662,199,407,367,159,808/404,027,366,319.72
  6. Step 6: Final answer
    x = 301,708,924,595.33

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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.