Home / 879,433,523.42-1,317,140,497.74-419,694,543.14

Finding the Fourth Proportional to 879,433,523.42, 1,317,140,497.74 and 419,694,543.14

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Solution

The fourth proportional to 879,433,523.42, 1,317,140,497.74 and 419,694,543.14 is: 628,582,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,433,523.42 : 1,317,140,497.74 = 419,694,543.14 : x
  2. Step 2: Convert to fraction form
    879,433,523.42/1,317,140,497.74 = 419,694,543.14/x
  3. Step 3: Cross multiply
    879,433,523.42x = 1,317,140,497.74 × 419,694,543.14
  4. Step 4: Simplify right side
    879,433,523.42x = 552,796,679,450,181,504
  5. Step 5: Solve for x
    x = 552,796,679,450,181,504/879,433,523.42
  6. Step 6: Final answer
    x = 628,582,678.20

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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.