Home / 357,988,955.13-494,021,188.75-199,216,358.55

Finding the Fourth Proportional to 357,988,955.13, 494,021,188.75 and 199,216,358.55

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Solution

The fourth proportional to 357,988,955.13, 494,021,188.75 and 199,216,358.55 is: 274,916,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,988,955.13 : 494,021,188.75 = 199,216,358.55 : x
  2. Step 2: Convert to fraction form
    357,988,955.13/494,021,188.75 = 199,216,358.55/x
  3. Step 3: Cross multiply
    357,988,955.13x = 494,021,188.75 × 199,216,358.55
  4. Step 4: Simplify right side
    357,988,955.13x = 98,417,102,269,317,232
  5. Step 5: Solve for x
    x = 98,417,102,269,317,232/357,988,955.13
  6. Step 6: Final answer
    x = 274,916,588.51

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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.