Home / 357,356,774.07-493,164,309.69-198,593,588.30

Finding the Fourth Proportional to 357,356,774.07, 493,164,309.69 and 198,593,588.30

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Solution

The fourth proportional to 357,356,774.07, 493,164,309.69 and 198,593,588.30 is: 274,065,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,356,774.07 : 493,164,309.69 = 198,593,588.30 : x
  2. Step 2: Convert to fraction form
    357,356,774.07/493,164,309.69 = 198,593,588.30/x
  3. Step 3: Cross multiply
    357,356,774.07x = 493,164,309.69 × 198,593,588.30
  4. Step 4: Simplify right side
    357,356,774.07x = 97,939,269,880,363,728
  5. Step 5: Solve for x
    x = 97,939,269,880,363,728/357,356,774.07
  6. Step 6: Final answer
    x = 274,065,799.19

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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.