Home / 438,140,481.94-656,242,010.39-299,637,857.62

Finding the Fourth Proportional to 438,140,481.94, 656,242,010.39 and 299,637,857.62

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Solution

The fourth proportional to 438,140,481.94, 656,242,010.39 and 299,637,857.62 is: 448,794,298.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,140,481.94 : 656,242,010.39 = 299,637,857.62 : x
  2. Step 2: Convert to fraction form
    438,140,481.94/656,242,010.39 = 299,637,857.62/x
  3. Step 3: Cross multiply
    438,140,481.94x = 656,242,010.39 × 299,637,857.62
  4. Step 4: Simplify right side
    438,140,481.94x = 196,634,950,073,501,376
  5. Step 5: Solve for x
    x = 196,634,950,073,501,376/438,140,481.94
  6. Step 6: Final answer
    x = 448,794,298.13

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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.