Home / 440,268,004.80-660,402,007.20-181,397,188.80

Finding the Fourth Proportional to 440,268,004.80, 660,402,007.20 and 181,397,188.80

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Solution

The fourth proportional to 440,268,004.80, 660,402,007.20 and 181,397,188.80 is: 272,095,783.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,268,004.80 : 660,402,007.20 = 181,397,188.80 : x
  2. Step 2: Convert to fraction form
    440,268,004.80/660,402,007.20 = 181,397,188.80/x
  3. Step 3: Cross multiply
    440,268,004.80x = 660,402,007.20 × 181,397,188.80
  4. Step 4: Simplify right side
    440,268,004.80x = 119,795,067,583,957,376
  5. Step 5: Solve for x
    x = 119,795,067,583,957,376/440,268,004.80
  6. Step 6: Final answer
    x = 272,095,783.20

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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.