Home / 419,670,536.40-579,135,112.86-231,494,710.16

Finding the Fourth Proportional to 419,670,536.40, 579,135,112.86 and 231,494,710.16

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Solution

The fourth proportional to 419,670,536.40, 579,135,112.86 and 231,494,710.16 is: 319,457,058.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,670,536.40 : 579,135,112.86 = 231,494,710.16 : x
  2. Step 2: Convert to fraction form
    419,670,536.40/579,135,112.86 = 231,494,710.16/x
  3. Step 3: Cross multiply
    419,670,536.40x = 579,135,112.86 × 231,494,710.16
  4. Step 4: Simplify right side
    419,670,536.40x = 134,066,715,095,004,592
  5. Step 5: Solve for x
    x = 134,066,715,095,004,592/419,670,536.40
  6. Step 6: Final answer
    x = 319,457,058.49

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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.