Home / 403,180,187.84-604,278,959.52-208,984,541.12

Finding the Fourth Proportional to 403,180,187.84, 604,278,959.52 and 208,984,541.12

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Solution

The fourth proportional to 403,180,187.84, 604,278,959.52 and 208,984,541.12 is: 313,222,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,180,187.84 : 604,278,959.52 = 208,984,541.12 : x
  2. Step 2: Convert to fraction form
    403,180,187.84/604,278,959.52 = 208,984,541.12/x
  3. Step 3: Cross multiply
    403,180,187.84x = 604,278,959.52 × 208,984,541.12
  4. Step 4: Simplify right side
    403,180,187.84x = 126,284,961,063,758,256
  5. Step 5: Solve for x
    x = 126,284,961,063,758,256/403,180,187.84
  6. Step 6: Final answer
    x = 313,222,139.56

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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.