Home / 395,283,107.73-545,490,740.37-219,082,478.67

Finding the Fourth Proportional to 395,283,107.73, 545,490,740.37 and 219,082,478.67

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Solution

The fourth proportional to 395,283,107.73, 545,490,740.37 and 219,082,478.67 is: 302,333,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,283,107.73 : 545,490,740.37 = 219,082,478.67 : x
  2. Step 2: Convert to fraction form
    395,283,107.73/545,490,740.37 = 219,082,478.67/x
  3. Step 3: Cross multiply
    395,283,107.73x = 545,490,740.37 × 219,082,478.67
  4. Step 4: Simplify right side
    395,283,107.73x = 119,507,463,491,793,024
  5. Step 5: Solve for x
    x = 119,507,463,491,793,024/395,283,107.73
  6. Step 6: Final answer
    x = 302,333,849.22

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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.