Home / 620,784,103.23-856,702,743.63-338,541,943.59

Finding the Fourth Proportional to 620,784,103.23, 856,702,743.63 and 338,541,943.59

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Solution

The fourth proportional to 620,784,103.23, 856,702,743.63 and 338,541,943.59 is: 467,199,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,784,103.23 : 856,702,743.63 = 338,541,943.59 : x
  2. Step 2: Convert to fraction form
    620,784,103.23/856,702,743.63 = 338,541,943.59/x
  3. Step 3: Cross multiply
    620,784,103.23x = 856,702,743.63 × 338,541,943.59
  4. Step 4: Simplify right side
    620,784,103.23x = 290,029,811,907,385,664
  5. Step 5: Solve for x
    x = 290,029,811,907,385,664/620,784,103.23
  6. Step 6: Final answer
    x = 467,199,160.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.