Home / 842,413,917.60-1,162,590,086.16-471,170,259.36

Finding the Fourth Proportional to 842,413,917.60, 1,162,590,086.16 and 471,170,259.36

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Solution

The fourth proportional to 842,413,917.60, 1,162,590,086.16 and 471,170,259.36 is: 650,247,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,413,917.60 : 1,162,590,086.16 = 471,170,259.36 : x
  2. Step 2: Convert to fraction form
    842,413,917.60/1,162,590,086.16 = 471,170,259.36/x
  3. Step 3: Cross multiply
    842,413,917.60x = 1,162,590,086.16 × 471,170,259.36
  4. Step 4: Simplify right side
    842,413,917.60x = 547,777,872,425,372,032
  5. Step 5: Solve for x
    x = 547,777,872,425,372,032/842,413,917.60
  6. Step 6: Final answer
    x = 650,247,890.00

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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.