Home / 1,072,315,444.08-1,479,915,137.04-649,162,256.48

Finding the Fourth Proportional to 1,072,315,444.08, 1,479,915,137.04 and 649,162,256.48

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Solution

The fourth proportional to 1,072,315,444.08, 1,479,915,137.04 and 649,162,256.48 is: 895,916,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,315,444.08 : 1,479,915,137.04 = 649,162,256.48 : x
  2. Step 2: Convert to fraction form
    1,072,315,444.08/1,479,915,137.04 = 649,162,256.48/x
  3. Step 3: Cross multiply
    1,072,315,444.08x = 1,479,915,137.04 × 649,162,256.48
  4. Step 4: Simplify right side
    1,072,315,444.08x = 960,705,049,759,794,816
  5. Step 5: Solve for x
    x = 960,705,049,759,794,816/1,072,315,444.08
  6. Step 6: Final answer
    x = 895,916,453.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.