Home / 505,849,519.78-697,687,187.61-435,405,025.06

Finding the Fourth Proportional to 505,849,519.78, 697,687,187.61 and 435,405,025.06

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Solution

The fourth proportional to 505,849,519.78, 697,687,187.61 and 435,405,025.06 is: 600,527,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,849,519.78 : 697,687,187.61 = 435,405,025.06 : x
  2. Step 2: Convert to fraction form
    505,849,519.78/697,687,187.61 = 435,405,025.06/x
  3. Step 3: Cross multiply
    505,849,519.78x = 697,687,187.61 × 435,405,025.06
  4. Step 4: Simplify right side
    505,849,519.78x = 303,776,507,405,372,992
  5. Step 5: Solve for x
    x = 303,776,507,405,372,992/505,849,519.78
  6. Step 6: Final answer
    x = 600,527,420.76

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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.