Home / 491,000,276.45-677,570,776.89-267,983,556.68

Finding the Fourth Proportional to 491,000,276.45, 677,570,776.89 and 267,983,556.68

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Solution

The fourth proportional to 491,000,276.45, 677,570,776.89 and 267,983,556.68 is: 369,812,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,000,276.45 : 677,570,776.89 = 267,983,556.68 : x
  2. Step 2: Convert to fraction form
    491,000,276.45/677,570,776.89 = 267,983,556.68/x
  3. Step 3: Cross multiply
    491,000,276.45x = 677,570,776.89 × 267,983,556.68
  4. Step 4: Simplify right side
    491,000,276.45x = 181,577,826,693,412,960
  5. Step 5: Solve for x
    x = 181,577,826,693,412,960/491,000,276.45
  6. Step 6: Final answer
    x = 369,812,066.11

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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.