Home / 457,166,430.35-630,942,010.80-256,277,562.78

Finding the Fourth Proportional to 457,166,430.35, 630,942,010.80 and 256,277,562.78

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Solution

The fourth proportional to 457,166,430.35, 630,942,010.80 and 256,277,562.78 is: 353,692,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,166,430.35 : 630,942,010.80 = 256,277,562.78 : x
  2. Step 2: Convert to fraction form
    457,166,430.35/630,942,010.80 = 256,277,562.78/x
  3. Step 3: Cross multiply
    457,166,430.35x = 630,942,010.80 × 256,277,562.78
  4. Step 4: Simplify right side
    457,166,430.35x = 161,696,280,783,336,416
  5. Step 5: Solve for x
    x = 161,696,280,783,336,416/457,166,430.35
  6. Step 6: Final answer
    x = 353,692,375.58

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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.