Home / 403,180,188.09-604,278,959.90-208,984,541.37

Finding the Fourth Proportional to 403,180,188.09, 604,278,959.90 and 208,984,541.37

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Solution

The fourth proportional to 403,180,188.09, 604,278,959.90 and 208,984,541.37 is: 313,222,139.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,180,188.09 : 604,278,959.90 = 208,984,541.37 : x
  2. Step 2: Convert to fraction form
    403,180,188.09/604,278,959.90 = 208,984,541.37/x
  3. Step 3: Cross multiply
    403,180,188.09x = 604,278,959.90 × 208,984,541.37
  4. Step 4: Simplify right side
    403,180,188.09x = 126,284,961,293,197,200
  5. Step 5: Solve for x
    x = 126,284,961,293,197,200/403,180,188.09
  6. Step 6: Final answer
    x = 313,222,139.94

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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.