Home / 403,180,204.12-604,278,983.85-208,984,557.40

Finding the Fourth Proportional to 403,180,204.12, 604,278,983.85 and 208,984,557.40

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Solution

The fourth proportional to 403,180,204.12, 604,278,983.85 and 208,984,557.40 is: 313,222,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,180,204.12 : 604,278,983.85 = 208,984,557.40 : x
  2. Step 2: Convert to fraction form
    403,180,204.12/604,278,983.85 = 208,984,557.40/x
  3. Step 3: Cross multiply
    403,180,204.12x = 604,278,983.85 × 208,984,557.40
  4. Step 4: Simplify right side
    403,180,204.12x = 126,284,975,986,014,000
  5. Step 5: Solve for x
    x = 126,284,975,986,014,000/403,180,204.12
  6. Step 6: Final answer
    x = 313,222,163.92

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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.