Home / 434,621,376.80-651,932,065.20-404,010,375.20

Finding the Fourth Proportional to 434,621,376.80, 651,932,065.20 and 404,010,375.20

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Solution

The fourth proportional to 434,621,376.80, 651,932,065.20 and 404,010,375.20 is: 606,015,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,621,376.80 : 651,932,065.20 = 404,010,375.20 : x
  2. Step 2: Convert to fraction form
    434,621,376.80/651,932,065.20 = 404,010,375.20/x
  3. Step 3: Cross multiply
    434,621,376.80x = 651,932,065.20 × 404,010,375.20
  4. Step 4: Simplify right side
    434,621,376.80x = 263,387,318,266,362,880
  5. Step 5: Solve for x
    x = 263,387,318,266,362,880/434,621,376.80
  6. Step 6: Final answer
    x = 606,015,562.80

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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.