Home / 683,306,736.40-1,024,860,571.80-198,582,000.40

Finding the Fourth Proportional to 683,306,736.40, 1,024,860,571.80 and 198,582,000.40

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Solution

The fourth proportional to 683,306,736.40, 1,024,860,571.80 and 198,582,000.40 is: 297,844,074.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,306,736.40 : 1,024,860,571.80 = 198,582,000.40 : x
  2. Step 2: Convert to fraction form
    683,306,736.40/1,024,860,571.80 = 198,582,000.40/x
  3. Step 3: Cross multiply
    683,306,736.40x = 1,024,860,571.80 × 198,582,000.40
  4. Step 4: Simplify right side
    683,306,736.40x = 203,518,862,479,131,840
  5. Step 5: Solve for x
    x = 203,518,862,479,131,840/683,306,736.40
  6. Step 6: Final answer
    x = 297,844,074.47

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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.