Home / 620,784,082.20-856,702,714.67-338,541,922.59

Finding the Fourth Proportional to 620,784,082.20, 856,702,714.67 and 338,541,922.59

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Solution

The fourth proportional to 620,784,082.20, 856,702,714.67 and 338,541,922.59 is: 467,199,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,784,082.20 : 856,702,714.67 = 338,541,922.59 : x
  2. Step 2: Convert to fraction form
    620,784,082.20/856,702,714.67 = 338,541,922.59/x
  3. Step 3: Cross multiply
    620,784,082.20x = 856,702,714.67 × 338,541,922.59
  4. Step 4: Simplify right side
    620,784,082.20x = 290,029,784,110,761,280
  5. Step 5: Solve for x
    x = 290,029,784,110,761,280/620,784,082.20
  6. Step 6: Final answer
    x = 467,199,131.59

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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.