Home / 400,959,935.96-600,507,224.82-389,926,630.34

Finding the Fourth Proportional to 400,959,935.96, 600,507,224.82 and 389,926,630.34

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Solution

The fourth proportional to 400,959,935.96, 600,507,224.82 and 389,926,630.34 is: 583,982,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,959,935.96 : 600,507,224.82 = 389,926,630.34 : x
  2. Step 2: Convert to fraction form
    400,959,935.96/600,507,224.82 = 389,926,630.34/x
  3. Step 3: Cross multiply
    400,959,935.96x = 600,507,224.82 × 389,926,630.34
  4. Step 4: Simplify right side
    400,959,935.96x = 234,153,758,668,887,424
  5. Step 5: Solve for x
    x = 234,153,758,668,887,424/400,959,935.96
  6. Step 6: Final answer
    x = 583,982,931.13

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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.