Home / 490,892,226.19-677,445,646.16-267,888,277.15

Finding the Fourth Proportional to 490,892,226.19, 677,445,646.16 and 267,888,277.15

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Solution

The fourth proportional to 490,892,226.19, 677,445,646.16 and 267,888,277.15 is: 369,693,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,892,226.19 : 677,445,646.16 = 267,888,277.15 : x
  2. Step 2: Convert to fraction form
    490,892,226.19/677,445,646.16 = 267,888,277.15/x
  3. Step 3: Cross multiply
    490,892,226.19x = 677,445,646.16 × 267,888,277.15
  4. Step 4: Simplify right side
    490,892,226.19x = 181,479,747,011,547,040
  5. Step 5: Solve for x
    x = 181,479,747,011,547,040/490,892,226.19
  6. Step 6: Final answer
    x = 369,693,666.61

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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.