Home / 620,548,177.92-856,359,077.76-342,083,592

Finding the Fourth Proportional to 620,548,177.92, 856,359,077.76 and 342,083,592

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Solution

The fourth proportional to 620,548,177.92, 856,359,077.76 and 342,083,592 is: 472,076,785.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,548,177.92 : 856,359,077.76 = 342,083,592 : x
  2. Step 2: Convert to fraction form
    620,548,177.92/856,359,077.76 = 342,083,592/x
  3. Step 3: Cross multiply
    620,548,177.92x = 856,359,077.76 × 342,083,592
  4. Step 4: Simplify right side
    620,548,177.92x = 292,946,389,361,948,096
  5. Step 5: Solve for x
    x = 292,946,389,361,948,096/620,548,177.92
  6. Step 6: Final answer
    x = 472,076,785.95

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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.