Home / 420,451,944.96-576,009,526.62-404,732,343

Finding the Fourth Proportional to 420,451,944.96, 576,009,526.62 and 404,732,343

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Solution

The fourth proportional to 420,451,944.96, 576,009,526.62 and 404,732,343 is: 554,474,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,451,944.96 : 576,009,526.62 = 404,732,343 : x
  2. Step 2: Convert to fraction form
    420,451,944.96/576,009,526.62 = 404,732,343/x
  3. Step 3: Cross multiply
    420,451,944.96x = 576,009,526.62 × 404,732,343
  4. Step 4: Simplify right side
    420,451,944.96x = 233,129,685,299,233,472
  5. Step 5: Solve for x
    x = 233,129,685,299,233,472/420,451,944.96
  6. Step 6: Final answer
    x = 554,474,032.27

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.