Home / 515,001,749.16-710,721,103.56-295,027,690.44

Finding the Fourth Proportional to 515,001,749.16, 710,721,103.56 and 295,027,690.44

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Solution

The fourth proportional to 515,001,749.16, 710,721,103.56 and 295,027,690.44 is: 407,148,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,001,749.16 : 710,721,103.56 = 295,027,690.44 : x
  2. Step 2: Convert to fraction form
    515,001,749.16/710,721,103.56 = 295,027,690.44/x
  3. Step 3: Cross multiply
    515,001,749.16x = 710,721,103.56 × 295,027,690.44
  4. Step 4: Simplify right side
    515,001,749.16x = 209,682,405,730,274,848
  5. Step 5: Solve for x
    x = 209,682,405,730,274,848/515,001,749.16
  6. Step 6: Final answer
    x = 407,148,919.54

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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.