Home / 490,892,324.77-677,445,782.40-267,888,376.00

Finding the Fourth Proportional to 490,892,324.77, 677,445,782.40 and 267,888,376.00

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Solution

The fourth proportional to 490,892,324.77, 677,445,782.40 and 267,888,376.00 is: 369,693,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,892,324.77 : 677,445,782.40 = 267,888,376.00 : x
  2. Step 2: Convert to fraction form
    490,892,324.77/677,445,782.40 = 267,888,376.00/x
  3. Step 3: Cross multiply
    490,892,324.77x = 677,445,782.40 × 267,888,376.00
  4. Step 4: Simplify right side
    490,892,324.77x = 181,479,850,470,458,720
  5. Step 5: Solve for x
    x = 181,479,850,470,458,720/490,892,324.77
  6. Step 6: Final answer
    x = 369,693,803.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.