Home / 488,950,302.73-674,926,929.25-290,711,324.57

Finding the Fourth Proportional to 488,950,302.73, 674,926,929.25 and 290,711,324.57

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Solution

The fourth proportional to 488,950,302.73, 674,926,929.25 and 290,711,324.57 is: 401,285,980.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,950,302.73 : 674,926,929.25 = 290,711,324.57 : x
  2. Step 2: Convert to fraction form
    488,950,302.73/674,926,929.25 = 290,711,324.57/x
  3. Step 3: Cross multiply
    488,950,302.73x = 674,926,929.25 × 290,711,324.57
  4. Step 4: Simplify right side
    488,950,302.73x = 196,208,901,589,928,608
  5. Step 5: Solve for x
    x = 196,208,901,589,928,608/488,950,302.73
  6. Step 6: Final answer
    x = 401,285,980.38

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1.5x scale

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.