Home / 509,390,303.04-702,951,893.92-283,327,762.24

Finding the Fourth Proportional to 509,390,303.04, 702,951,893.92 and 283,327,762.24

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Solution

The fourth proportional to 509,390,303.04, 702,951,893.92 and 283,327,762.24 is: 390,988,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,390,303.04 : 702,951,893.92 = 283,327,762.24 : x
  2. Step 2: Convert to fraction form
    509,390,303.04/702,951,893.92 = 283,327,762.24/x
  3. Step 3: Cross multiply
    509,390,303.04x = 702,951,893.92 × 283,327,762.24
  4. Step 4: Simplify right side
    509,390,303.04x = 199,165,787,066,723,456
  5. Step 5: Solve for x
    x = 199,165,787,066,723,456/509,390,303.04
  6. Step 6: Final answer
    x = 390,988,571.78

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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.