Home / 746,499,376.80-1,120,308,937.20-382,806,525.60

Finding the Fourth Proportional to 746,499,376.80, 1,120,308,937.20 and 382,806,525.60

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Solution

The fourth proportional to 746,499,376.80, 1,120,308,937.20 and 382,806,525.60 is: 574,496,892.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,499,376.80 : 1,120,308,937.20 = 382,806,525.60 : x
  2. Step 2: Convert to fraction form
    746,499,376.80/1,120,308,937.20 = 382,806,525.60/x
  3. Step 3: Cross multiply
    746,499,376.80x = 1,120,308,937.20 × 382,806,525.60
  4. Step 4: Simplify right side
    746,499,376.80x = 428,861,571,848,160,640
  5. Step 5: Solve for x
    x = 428,861,571,848,160,640/746,499,376.80
  6. Step 6: Final answer
    x = 574,496,892.00

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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.