Home / 515,101,639.34-772,970,265.73-238,701,334.22

Finding the Fourth Proportional to 515,101,639.34, 772,970,265.73 and 238,701,334.22

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Solution

The fourth proportional to 515,101,639.34, 772,970,265.73 and 238,701,334.22 is: 358,199,274.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,101,639.34 : 772,970,265.73 = 238,701,334.22 : x
  2. Step 2: Convert to fraction form
    515,101,639.34/772,970,265.73 = 238,701,334.22/x
  3. Step 3: Cross multiply
    515,101,639.34x = 772,970,265.73 × 238,701,334.22
  4. Step 4: Simplify right side
    515,101,639.34x = 184,509,033,738,274,112
  5. Step 5: Solve for x
    x = 184,509,033,738,274,112/515,101,639.34
  6. Step 6: Final answer
    x = 358,199,274.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.