Home / 457,166,431.91-630,942,012.96-256,277,564.35

Finding the Fourth Proportional to 457,166,431.91, 630,942,012.96 and 256,277,564.35

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Solution

The fourth proportional to 457,166,431.91, 630,942,012.96 and 256,277,564.35 is: 353,692,377.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,166,431.91 : 630,942,012.96 = 256,277,564.35 : x
  2. Step 2: Convert to fraction form
    457,166,431.91/630,942,012.96 = 256,277,564.35/x
  3. Step 3: Cross multiply
    457,166,431.91x = 630,942,012.96 × 256,277,564.35
  4. Step 4: Simplify right side
    457,166,431.91x = 161,696,282,325,897,600
  5. Step 5: Solve for x
    x = 161,696,282,325,897,600/457,166,431.91
  6. Step 6: Final answer
    x = 353,692,377.74

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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.