Home / 438,213,260,952.81-656,861,120,004.46-183,388,645,002.51

Finding the Fourth Proportional to 438,213,260,952.81, 656,861,120,004.46 and 183,388,645,002.51

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Solution

The fourth proportional to 438,213,260,952.81, 656,861,120,004.46 and 183,388,645,002.51 is: 274,890,975,436.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,213,260,952.81 : 656,861,120,004.46 = 183,388,645,002.51 : x
  2. Step 2: Convert to fraction form
    438,213,260,952.81/656,861,120,004.46 = 183,388,645,002.51/x
  3. Step 3: Cross multiply
    438,213,260,952.81x = 656,861,120,004.46 × 183,388,645,002.51
  4. Step 4: Simplify right side
    438,213,260,952.81x = 120,460,870,752,449,039,695,872
  5. Step 5: Solve for x
    x = 120,460,870,752,449,039,695,872/438,213,260,952.81
  6. Step 6: Final answer
    x = 274,890,975,436.32

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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.