Home / 1,195,572,213.32-1,649,918,879.70-666,932,439.56

Finding the Fourth Proportional to 1,195,572,213.32, 1,649,918,879.70 and 666,932,439.56

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Solution

The fourth proportional to 1,195,572,213.32, 1,649,918,879.70 and 666,932,439.56 is: 920,383,069.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,572,213.32 : 1,649,918,879.70 = 666,932,439.56 : x
  2. Step 2: Convert to fraction form
    1,195,572,213.32/1,649,918,879.70 = 666,932,439.56/x
  3. Step 3: Cross multiply
    1,195,572,213.32x = 1,649,918,879.70 × 666,932,439.56
  4. Step 4: Simplify right side
    1,195,572,213.32x = 1,100,384,423,514,423,040
  5. Step 5: Solve for x
    x = 1,100,384,423,514,423,040/1,195,572,213.32
  6. Step 6: Final answer
    x = 920,383,069.51

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Half scale
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Double scale
Find fourth proportional to 1,195,572,214.32, 1,649,918,881.08 and 666,932,440.56
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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.