Home / 1,494,990,000.10-2,242,485,000.15-718,448,410.90

Finding the Fourth Proportional to 1,494,990,000.10, 2,242,485,000.15 and 718,448,410.90

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Solution

The fourth proportional to 1,494,990,000.10, 2,242,485,000.15 and 718,448,410.90 is: 1,077,672,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,990,000.10 : 2,242,485,000.15 = 718,448,410.90 : x
  2. Step 2: Convert to fraction form
    1,494,990,000.10/2,242,485,000.15 = 718,448,410.90/x
  3. Step 3: Cross multiply
    1,494,990,000.10x = 2,242,485,000.15 × 718,448,410.90
  4. Step 4: Simplify right side
    1,494,990,000.10x = 1,611,109,784,824,853,760
  5. Step 5: Solve for x
    x = 1,611,109,784,824,853,760/1,494,990,000.10
  6. Step 6: Final answer
    x = 1,077,672,616.35

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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.