Home / 354,294,064.54-488,926,115.55-197,661,203.77

Finding the Fourth Proportional to 354,294,064.54, 488,926,115.55 and 197,661,203.77

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Solution

The fourth proportional to 354,294,064.54, 488,926,115.55 and 197,661,203.77 is: 272,772,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,064.54 : 488,926,115.55 = 197,661,203.77 : x
  2. Step 2: Convert to fraction form
    354,294,064.54/488,926,115.55 = 197,661,203.77/x
  3. Step 3: Cross multiply
    354,294,064.54x = 488,926,115.55 × 197,661,203.77
  4. Step 4: Simplify right side
    354,294,064.54x = 96,641,724,554,203,120
  5. Step 5: Solve for x
    x = 96,641,724,554,203,120/354,294,064.54
  6. Step 6: Final answer
    x = 272,772,632.19

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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.