Home / 447,970,899.22-618,168,273.32-249,723,624.80

Finding the Fourth Proportional to 447,970,899.22, 618,168,273.32 and 249,723,624.80

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Solution

The fourth proportional to 447,970,899.22, 618,168,273.32 and 249,723,624.80 is: 344,601,004.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,970,899.22 : 618,168,273.32 = 249,723,624.80 : x
  2. Step 2: Convert to fraction form
    447,970,899.22/618,168,273.32 = 249,723,624.80/x
  3. Step 3: Cross multiply
    447,970,899.22x = 618,168,273.32 × 249,723,624.80
  4. Step 4: Simplify right side
    447,970,899.22x = 154,371,221,949,827,552
  5. Step 5: Solve for x
    x = 154,371,221,949,827,552/447,970,899.22
  6. Step 6: Final answer
    x = 344,601,004.71

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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.