Home / 571,816,153.44-789,278,802.48-494,332,054.56

Finding the Fourth Proportional to 571,816,153.44, 789,278,802.48 and 494,332,054.56

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Solution

The fourth proportional to 571,816,153.44, 789,278,802.48 and 494,332,054.56 is: 682,327,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,816,153.44 : 789,278,802.48 = 494,332,054.56 : x
  2. Step 2: Convert to fraction form
    571,816,153.44/789,278,802.48 = 494,332,054.56/x
  3. Step 3: Cross multiply
    571,816,153.44x = 789,278,802.48 × 494,332,054.56
  4. Step 4: Simplify right side
    571,816,153.44x = 390,165,812,050,594,816
  5. Step 5: Solve for x
    x = 390,165,812,050,594,816/571,816,153.44
  6. Step 6: Final answer
    x = 682,327,369.91

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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.