Home / 481,064,420.16-663,881,762.88-261,048,021.12

Finding the Fourth Proportional to 481,064,420.16, 663,881,762.88 and 261,048,021.12

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Solution

The fourth proportional to 481,064,420.16, 663,881,762.88 and 261,048,021.12 is: 360,253,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,064,420.16 : 663,881,762.88 = 261,048,021.12 : x
  2. Step 2: Convert to fraction form
    481,064,420.16/663,881,762.88 = 261,048,021.12/x
  3. Step 3: Cross multiply
    481,064,420.16x = 663,881,762.88 × 261,048,021.12
  4. Step 4: Simplify right side
    481,064,420.16x = 173,305,020,457,481,088
  5. Step 5: Solve for x
    x = 173,305,020,457,481,088/481,064,420.16
  6. Step 6: Final answer
    x = 360,253,249.24

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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.