Home / 1,195,572,212.32-1,649,918,878.32-666,932,438.56

Finding the Fourth Proportional to 1,195,572,212.32, 1,649,918,878.32 and 666,932,438.56

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Solution

The fourth proportional to 1,195,572,212.32, 1,649,918,878.32 and 666,932,438.56 is: 920,383,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,572,212.32 : 1,649,918,878.32 = 666,932,438.56 : x
  2. Step 2: Convert to fraction form
    1,195,572,212.32/1,649,918,878.32 = 666,932,438.56/x
  3. Step 3: Cross multiply
    1,195,572,212.32x = 1,649,918,878.32 × 666,932,438.56
  4. Step 4: Simplify right side
    1,195,572,212.32x = 1,100,384,420,944,137,344
  5. Step 5: Solve for x
    x = 1,100,384,420,944,137,344/1,195,572,212.32
  6. Step 6: Final answer
    x = 920,383,068.13

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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.