Home / 400,959,941.46-600,507,233.10-389,926,635.81

Finding the Fourth Proportional to 400,959,941.46, 600,507,233.10 and 389,926,635.81

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Solution

The fourth proportional to 400,959,941.46, 600,507,233.10 and 389,926,635.81 is: 583,982,939.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,959,941.46 : 600,507,233.10 = 389,926,635.81 : x
  2. Step 2: Convert to fraction form
    400,959,941.46/600,507,233.10 = 389,926,635.81/x
  3. Step 3: Cross multiply
    400,959,941.46x = 600,507,233.10 × 389,926,635.81
  4. Step 4: Simplify right side
    400,959,941.46x = 234,153,765,182,254,496
  5. Step 5: Solve for x
    x = 234,153,765,182,254,496/400,959,941.46
  6. Step 6: Final answer
    x = 583,982,939.37

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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.