Home / 457,393,758.77-631,212,731.21-248,563,353.89

Finding the Fourth Proportional to 457,393,758.77, 631,212,731.21 and 248,563,353.89

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Solution

The fourth proportional to 457,393,758.77, 631,212,731.21 and 248,563,353.89 is: 343,022,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,393,758.77 : 631,212,731.21 = 248,563,353.89 : x
  2. Step 2: Convert to fraction form
    457,393,758.77/631,212,731.21 = 248,563,353.89/x
  3. Step 3: Cross multiply
    457,393,758.77x = 631,212,731.21 × 248,563,353.89
  4. Step 4: Simplify right side
    457,393,758.77x = 156,896,353,485,090,016
  5. Step 5: Solve for x
    x = 156,896,353,485,090,016/457,393,758.77
  6. Step 6: Final answer
    x = 343,022,506.27

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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.