Home / 682,717,018.64-942,149,486.76-369,451,232.48

Finding the Fourth Proportional to 682,717,018.64, 942,149,486.76 and 369,451,232.48

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Solution

The fourth proportional to 682,717,018.64, 942,149,486.76 and 369,451,232.48 is: 509,842,701.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,717,018.64 : 942,149,486.76 = 369,451,232.48 : x
  2. Step 2: Convert to fraction form
    682,717,018.64/942,149,486.76 = 369,451,232.48/x
  3. Step 3: Cross multiply
    682,717,018.64x = 942,149,486.76 × 369,451,232.48
  4. Step 4: Simplify right side
    682,717,018.64x = 348,078,289,063,881,472
  5. Step 5: Solve for x
    x = 348,078,289,063,881,472/682,717,018.64
  6. Step 6: Final answer
    x = 509,842,701.38

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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.