Home / 682,243,918.77-941,496,600.61-368,978,132.74

Finding the Fourth Proportional to 682,243,918.77, 941,496,600.61 and 368,978,132.74

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Solution

The fourth proportional to 682,243,918.77, 941,496,600.61 and 368,978,132.74 is: 509,189,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,243,918.77 : 941,496,600.61 = 368,978,132.74 : x
  2. Step 2: Convert to fraction form
    682,243,918.77/941,496,600.61 = 368,978,132.74/x
  3. Step 3: Cross multiply
    682,243,918.77x = 941,496,600.61 × 368,978,132.74
  4. Step 4: Simplify right side
    682,243,918.77x = 347,391,657,675,773,440
  5. Step 5: Solve for x
    x = 347,391,657,675,773,440/682,243,918.77
  6. Step 6: Final answer
    x = 509,189,819.24

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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.