Home / 1,314,959,027.76-1,972,390,703.88-394,811,451.60

Finding the Fourth Proportional to 1,314,959,027.76, 1,972,390,703.88 and 394,811,451.60

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Solution

The fourth proportional to 1,314,959,027.76, 1,972,390,703.88 and 394,811,451.60 is: 592,202,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,959,027.76 : 1,972,390,703.88 = 394,811,451.60 : x
  2. Step 2: Convert to fraction form
    1,314,959,027.76/1,972,390,703.88 = 394,811,451.60/x
  3. Step 3: Cross multiply
    1,314,959,027.76x = 1,972,390,703.88 × 394,811,451.60
  4. Step 4: Simplify right side
    1,314,959,027.76x = 778,722,436,921,208,704
  5. Step 5: Solve for x
    x = 778,722,436,921,208,704/1,314,959,027.76
  6. Step 6: Final answer
    x = 592,202,814.29

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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.