Home / 541,792,881.92-747,661,460.32-318,789,007.36

Finding the Fourth Proportional to 541,792,881.92, 747,661,460.32 and 318,789,007.36

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Solution

The fourth proportional to 541,792,881.92, 747,661,460.32 and 318,789,007.36 is: 439,921,347.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,792,881.92 : 747,661,460.32 = 318,789,007.36 : x
  2. Step 2: Convert to fraction form
    541,792,881.92/747,661,460.32 = 318,789,007.36/x
  3. Step 3: Cross multiply
    541,792,881.92x = 747,661,460.32 × 318,789,007.36
  4. Step 4: Simplify right side
    541,792,881.92x = 238,346,254,776,740,864
  5. Step 5: Solve for x
    x = 238,346,254,776,740,864/541,792,881.92
  6. Step 6: Final answer
    x = 439,921,347.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.