Home / 825,617,998,527.05-1,139,388,150,849.70-459,812,143,158.16

Finding the Fourth Proportional to 825,617,998,527.05, 1,139,388,150,849.70 and 459,812,143,158.16

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Solution

The fourth proportional to 825,617,998,527.05, 1,139,388,150,849.70 and 459,812,143,158.16 is: 634,560,424,392.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,617,998,527.05 : 1,139,388,150,849.70 = 459,812,143,158.16 : x
  2. Step 2: Convert to fraction form
    825,617,998,527.05/1,139,388,150,849.70 = 459,812,143,158.16/x
  3. Step 3: Cross multiply
    825,617,998,527.05x = 1,139,388,150,849.70 × 459,812,143,158.16
  4. Step 4: Simplify right side
    825,617,998,527.05x = 523,904,507,531,213,381,042,176
  5. Step 5: Solve for x
    x = 523,904,507,531,213,381,042,176/825,617,998,527.05
  6. Step 6: Final answer
    x = 634,560,424,392.26

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Double scale
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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.