Home / 298,841,182.80-412,243,998.12-243,148,887.60

Finding the Fourth Proportional to 298,841,182.80, 412,243,998.12 and 243,148,887.60

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Solution

The fourth proportional to 298,841,182.80, 412,243,998.12 and 243,148,887.60 is: 335,417,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,841,182.80 : 412,243,998.12 = 243,148,887.60 : x
  2. Step 2: Convert to fraction form
    298,841,182.80/412,243,998.12 = 243,148,887.60/x
  3. Step 3: Cross multiply
    298,841,182.80x = 412,243,998.12 × 243,148,887.60
  4. Step 4: Simplify right side
    298,841,182.80x = 100,236,669,562,654,496
  5. Step 5: Solve for x
    x = 100,236,669,562,654,496/298,841,182.80
  6. Step 6: Final answer
    x = 335,417,858.49

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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.