Home / 348,116,639.40-481,089,946.80-285,293,670.12

Finding the Fourth Proportional to 348,116,639.40, 481,089,946.80 and 285,293,670.12

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Solution

The fourth proportional to 348,116,639.40, 481,089,946.80 and 285,293,670.12 is: 394,269,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,116,639.40 : 481,089,946.80 = 285,293,670.12 : x
  2. Step 2: Convert to fraction form
    348,116,639.40/481,089,946.80 = 285,293,670.12/x
  3. Step 3: Cross multiply
    348,116,639.40x = 481,089,946.80 × 285,293,670.12
  4. Step 4: Simplify right side
    348,116,639.40x = 137,251,916,580,407,552
  5. Step 5: Solve for x
    x = 137,251,916,580,407,552/348,116,639.40
  6. Step 6: Final answer
    x = 394,269,911.42

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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.