Home / 481,191,412.32-664,045,424.46-261,174,838.32

Finding the Fourth Proportional to 481,191,412.32, 664,045,424.46 and 261,174,838.32

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Solution

The fourth proportional to 481,191,412.32, 664,045,424.46 and 261,174,838.32 is: 360,421,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,191,412.32 : 664,045,424.46 = 261,174,838.32 : x
  2. Step 2: Convert to fraction form
    481,191,412.32/664,045,424.46 = 261,174,838.32/x
  3. Step 3: Cross multiply
    481,191,412.32x = 664,045,424.46 × 261,174,838.32
  4. Step 4: Simplify right side
    481,191,412.32x = 173,431,956,370,476,288
  5. Step 5: Solve for x
    x = 173,431,956,370,476,288/481,191,412.32
  6. Step 6: Final answer
    x = 360,421,969.16

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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.