Home / 1,195,572,208.32-1,649,918,872.80-666,932,434.56

Finding the Fourth Proportional to 1,195,572,208.32, 1,649,918,872.80 and 666,932,434.56

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Solution

The fourth proportional to 1,195,572,208.32, 1,649,918,872.80 and 666,932,434.56 is: 920,383,062.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,572,208.32 : 1,649,918,872.80 = 666,932,434.56 : x
  2. Step 2: Convert to fraction form
    1,195,572,208.32/1,649,918,872.80 = 666,932,434.56/x
  3. Step 3: Cross multiply
    1,195,572,208.32x = 1,649,918,872.80 × 666,932,434.56
  4. Step 4: Simplify right side
    1,195,572,208.32x = 1,100,384,410,662,994,816
  5. Step 5: Solve for x
    x = 1,100,384,410,662,994,816/1,195,572,208.32
  6. Step 6: Final answer
    x = 920,383,062.61

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Double scale
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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.