Home / 457,166,436.37-630,942,019.11-256,277,568.80

Finding the Fourth Proportional to 457,166,436.37, 630,942,019.11 and 256,277,568.80

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Solution

The fourth proportional to 457,166,436.37, 630,942,019.11 and 256,277,568.80 is: 353,692,383.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,166,436.37 : 630,942,019.11 = 256,277,568.80 : x
  2. Step 2: Convert to fraction form
    457,166,436.37/630,942,019.11 = 256,277,568.80/x
  3. Step 3: Cross multiply
    457,166,436.37x = 630,942,019.11 × 256,277,568.80
  4. Step 4: Simplify right side
    457,166,436.37x = 161,696,286,712,851,296
  5. Step 5: Solve for x
    x = 161,696,286,712,851,296/457,166,436.37
  6. Step 6: Final answer
    x = 353,692,383.89

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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.