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Finding the Fourth Proportional to 804,409,978.08, 1,206,637,608.90 and 222,144,226.22

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Solution

The fourth proportional to 804,409,978.08, 1,206,637,608.90 and 222,144,226.22 is: 333,222,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,409,978.08 : 1,206,637,608.90 = 222,144,226.22 : x
  2. Step 2: Convert to fraction form
    804,409,978.08/1,206,637,608.90 = 222,144,226.22/x
  3. Step 3: Cross multiply
    804,409,978.08x = 1,206,637,608.90 × 222,144,226.22
  4. Step 4: Simplify right side
    804,409,978.08x = 268,047,577,957,041,504
  5. Step 5: Solve for x
    x = 268,047,577,957,041,504/804,409,978.08
  6. Step 6: Final answer
    x = 333,222,592.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.