Home / 447,858,785.83-618,047,992.69-249,632,849.02

Finding the Fourth Proportional to 447,858,785.83, 618,047,992.69 and 249,632,849.02

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Solution

The fourth proportional to 447,858,785.83, 618,047,992.69 and 249,632,849.02 is: 344,494,930.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,858,785.83 : 618,047,992.69 = 249,632,849.02 : x
  2. Step 2: Convert to fraction form
    447,858,785.83/618,047,992.69 = 249,632,849.02/x
  3. Step 3: Cross multiply
    447,858,785.83x = 618,047,992.69 × 249,632,849.02
  4. Step 4: Simplify right side
    447,858,785.83x = 154,285,081,243,206,592
  5. Step 5: Solve for x
    x = 154,285,081,243,206,592/447,858,785.83
  6. Step 6: Final answer
    x = 344,494,930.38

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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.