Home / 212,481,416,065.12-293,223,642,284.16-116,137,446,723.28

Finding the Fourth Proportional to 212,481,416,065.12, 293,223,642,284.16 and 116,137,446,723.28

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Solution

The fourth proportional to 212,481,416,065.12, 293,223,642,284.16 and 116,137,446,723.28 is: 160,269,287,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,481,416,065.12 : 293,223,642,284.16 = 116,137,446,723.28 : x
  2. Step 2: Convert to fraction form
    212,481,416,065.12/293,223,642,284.16 = 116,137,446,723.28/x
  3. Step 3: Cross multiply
    212,481,416,065.12x = 293,223,642,284.16 × 116,137,446,723.28
  4. Step 4: Simplify right side
    212,481,416,065.12x = 34,054,245,133,782,739,845,120
  5. Step 5: Solve for x
    x = 34,054,245,133,782,739,845,120/212,481,416,065.12
  6. Step 6: Final answer
    x = 160,269,287,377.80

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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.