Home / 457,166,438.36-630,942,021.88-256,277,570.80

Finding the Fourth Proportional to 457,166,438.36, 630,942,021.88 and 256,277,570.80

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Solution

The fourth proportional to 457,166,438.36, 630,942,021.88 and 256,277,570.80 is: 353,692,386.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,166,438.36 : 630,942,021.88 = 256,277,570.80 : x
  2. Step 2: Convert to fraction form
    457,166,438.36/630,942,021.88 = 256,277,570.80/x
  3. Step 3: Cross multiply
    457,166,438.36x = 630,942,021.88 × 256,277,570.80
  4. Step 4: Simplify right side
    457,166,438.36x = 161,696,288,683,046,848
  5. Step 5: Solve for x
    x = 161,696,288,683,046,848/457,166,438.36
  6. Step 6: Final answer
    x = 353,692,386.66

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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.