Home / 537,857,970.92-742,224,403.72-299,690,849.69

Finding the Fourth Proportional to 537,857,970.92, 742,224,403.72 and 299,690,849.69

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Solution

The fourth proportional to 537,857,970.92, 742,224,403.72 and 299,690,849.69 is: 413,562,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,857,970.92 : 742,224,403.72 = 299,690,849.69 : x
  2. Step 2: Convert to fraction form
    537,857,970.92/742,224,403.72 = 299,690,849.69/x
  3. Step 3: Cross multiply
    537,857,970.92x = 742,224,403.72 × 299,690,849.69
  4. Step 4: Simplify right side
    537,857,970.92x = 222,437,862,212,606,720
  5. Step 5: Solve for x
    x = 222,437,862,212,606,720/537,857,970.92
  6. Step 6: Final answer
    x = 413,562,453.73

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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.