Home / 682,717,038.90-942,149,514.87-369,451,252.73

Finding the Fourth Proportional to 682,717,038.90, 942,149,514.87 and 369,451,252.73

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Solution

The fourth proportional to 682,717,038.90, 942,149,514.87 and 369,451,252.73 is: 509,842,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,717,038.90 : 942,149,514.87 = 369,451,252.73 : x
  2. Step 2: Convert to fraction form
    682,717,038.90/942,149,514.87 = 369,451,252.73/x
  3. Step 3: Cross multiply
    682,717,038.90x = 942,149,514.87 × 369,451,252.73
  4. Step 4: Simplify right side
    682,717,038.90x = 348,078,318,522,972,544
  5. Step 5: Solve for x
    x = 348,078,318,522,972,544/682,717,038.90
  6. Step 6: Final answer
    x = 509,842,729.40

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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.