Home / 899,670,014.20-1,349,505,021.30-718,271,486.20

Finding the Fourth Proportional to 899,670,014.20, 1,349,505,021.30 and 718,271,486.20

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Solution

The fourth proportional to 899,670,014.20, 1,349,505,021.30 and 718,271,486.20 is: 1,077,407,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,670,014.20 : 1,349,505,021.30 = 718,271,486.20 : x
  2. Step 2: Convert to fraction form
    899,670,014.20/1,349,505,021.30 = 718,271,486.20/x
  3. Step 3: Cross multiply
    899,670,014.20x = 1,349,505,021.30 × 718,271,486.20
  4. Step 4: Simplify right side
    899,670,014.20x = 969,310,977,283,513,728
  5. Step 5: Solve for x
    x = 969,310,977,283,513,728/899,670,014.20
  6. Step 6: Final answer
    x = 1,077,407,229.30

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1.5x scale

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.