Home / 355,673,821.30-490,881,214.34-204,937,607.56

Finding the Fourth Proportional to 355,673,821.30, 490,881,214.34 and 204,937,607.56

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Solution

The fourth proportional to 355,673,821.30, 490,881,214.34 and 204,937,607.56 is: 282,843,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,673,821.30 : 490,881,214.34 = 204,937,607.56 : x
  2. Step 2: Convert to fraction form
    355,673,821.30/490,881,214.34 = 204,937,607.56/x
  3. Step 3: Cross multiply
    355,673,821.30x = 490,881,214.34 × 204,937,607.56
  4. Step 4: Simplify right side
    355,673,821.30x = 100,600,021,665,360,144
  5. Step 5: Solve for x
    x = 100,600,021,665,360,144/355,673,821.30
  6. Step 6: Final answer
    x = 282,843,480.85

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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.