Home / 457,166,437.37-630,942,020.49-256,277,569.80

Finding the Fourth Proportional to 457,166,437.37, 630,942,020.49 and 256,277,569.80

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Solution

The fourth proportional to 457,166,437.37, 630,942,020.49 and 256,277,569.80 is: 353,692,385.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,166,437.37 : 630,942,020.49 = 256,277,569.80 : x
  2. Step 2: Convert to fraction form
    457,166,437.37/630,942,020.49 = 256,277,569.80/x
  3. Step 3: Cross multiply
    457,166,437.37x = 630,942,020.49 × 256,277,569.80
  4. Step 4: Simplify right side
    457,166,437.37x = 161,696,287,695,879,008
  5. Step 5: Solve for x
    x = 161,696,287,695,879,008/457,166,437.37
  6. Step 6: Final answer
    x = 353,692,385.26

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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.