Home / 317,437,350.72-438,111,354.88-193,749,903.68

Finding the Fourth Proportional to 317,437,350.72, 438,111,354.88 and 193,749,903.68

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Solution

The fourth proportional to 317,437,350.72, 438,111,354.88 and 193,749,903.68 is: 267,404,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,437,350.72 : 438,111,354.88 = 193,749,903.68 : x
  2. Step 2: Convert to fraction form
    317,437,350.72/438,111,354.88 = 193,749,903.68/x
  3. Step 3: Cross multiply
    317,437,350.72x = 438,111,354.88 × 193,749,903.68
  4. Step 4: Simplify right side
    317,437,350.72x = 84,884,032,809,114,304
  5. Step 5: Solve for x
    x = 84,884,032,809,114,304/317,437,350.72
  6. Step 6: Final answer
    x = 267,404,048.76

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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.