Home / 308,853,462.33-463,279,821.66-78,822,571.59

Finding the Fourth Proportional to 308,853,462.33, 463,279,821.66 and 78,822,571.59

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Solution

The fourth proportional to 308,853,462.33, 463,279,821.66 and 78,822,571.59 is: 118,233,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,853,462.33 : 463,279,821.66 = 78,822,571.59 : x
  2. Step 2: Convert to fraction form
    308,853,462.33/463,279,821.66 = 78,822,571.59/x
  3. Step 3: Cross multiply
    308,853,462.33x = 463,279,821.66 × 78,822,571.59
  4. Step 4: Simplify right side
    308,853,462.33x = 36,516,906,908,997,784
  5. Step 5: Solve for x
    x = 36,516,906,908,997,784/308,853,462.33
  6. Step 6: Final answer
    x = 118,233,762.49

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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.