Home / 440,311,686.80-660,465,197.40-112,786,566.80

Finding the Fourth Proportional to 440,311,686.80, 660,465,197.40 and 112,786,566.80

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Solution

The fourth proportional to 440,311,686.80, 660,465,197.40 and 112,786,566.80 is: 169,179,252.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,311,686.80 : 660,465,197.40 = 112,786,566.80 : x
  2. Step 2: Convert to fraction form
    440,311,686.80/660,465,197.40 = 112,786,566.80/x
  3. Step 3: Cross multiply
    440,311,686.80x = 660,465,197.40 × 112,786,566.80
  4. Step 4: Simplify right side
    440,311,686.80x = 74,491,602,105,630,288
  5. Step 5: Solve for x
    x = 74,491,602,105,630,288/440,311,686.80
  6. Step 6: Final answer
    x = 169,179,252.65

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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.