Home / 879,433,276.60-1,320,451,617.30-492,029,846.20

Finding the Fourth Proportional to 879,433,276.60, 1,320,451,617.30 and 492,029,846.20

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Solution

The fourth proportional to 879,433,276.60, 1,320,451,617.30 and 492,029,846.20 is: 738,773,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,433,276.60 : 1,320,451,617.30 = 492,029,846.20 : x
  2. Step 2: Convert to fraction form
    879,433,276.60/1,320,451,617.30 = 492,029,846.20/x
  3. Step 3: Cross multiply
    879,433,276.60x = 1,320,451,617.30 × 492,029,846.20
  4. Step 4: Simplify right side
    879,433,276.60x = 649,701,606,174,660,224
  5. Step 5: Solve for x
    x = 649,701,606,174,660,224/879,433,276.60
  6. Step 6: Final answer
    x = 738,773,052.44

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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.