Home / 295,032,542.40-442,548,813.60-279,915,998.40

Finding the Fourth Proportional to 295,032,542.40, 442,548,813.60 and 279,915,998.40

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Solution

The fourth proportional to 295,032,542.40, 442,548,813.60 and 279,915,998.40 is: 419,873,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,032,542.40 : 442,548,813.60 = 279,915,998.40 : x
  2. Step 2: Convert to fraction form
    295,032,542.40/442,548,813.60 = 279,915,998.40/x
  3. Step 3: Cross multiply
    295,032,542.40x = 442,548,813.60 × 279,915,998.40
  4. Step 4: Simplify right side
    295,032,542.40x = 123,876,492,999,579,488
  5. Step 5: Solve for x
    x = 123,876,492,999,579,488/295,032,542.40
  6. Step 6: Final answer
    x = 419,873,997.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.