Home / 403,164,678.80-604,858,992.60-173,243,910.80

Finding the Fourth Proportional to 403,164,678.80, 604,858,992.60 and 173,243,910.80

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Solution

The fourth proportional to 403,164,678.80, 604,858,992.60 and 173,243,910.80 is: 259,913,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,164,678.80 : 604,858,992.60 = 173,243,910.80 : x
  2. Step 2: Convert to fraction form
    403,164,678.80/604,858,992.60 = 173,243,910.80/x
  3. Step 3: Cross multiply
    403,164,678.80x = 604,858,992.60 × 173,243,910.80
  4. Step 4: Simplify right side
    403,164,678.80x = 104,788,137,360,572,272
  5. Step 5: Solve for x
    x = 104,788,137,360,572,272/403,164,678.80
  6. Step 6: Final answer
    x = 259,913,982.72

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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.