Home / 3,315,213,507.42-4,574,971,366.67-1,809,839,858.25

Finding the Fourth Proportional to 3,315,213,507.42, 4,574,971,366.67 and 1,809,839,858.25

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Solution

The fourth proportional to 3,315,213,507.42, 4,574,971,366.67 and 1,809,839,858.25 is: 2,497,566,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,213,507.42 : 4,574,971,366.67 = 1,809,839,858.25 : x
  2. Step 2: Convert to fraction form
    3,315,213,507.42/4,574,971,366.67 = 1,809,839,858.25/x
  3. Step 3: Cross multiply
    3,315,213,507.42x = 4,574,971,366.67 × 1,809,839,858.25
  4. Step 4: Simplify right side
    3,315,213,507.42x = 8,279,965,529,756,365,824
  5. Step 5: Solve for x
    x = 8,279,965,529,756,365,824/3,315,213,507.42
  6. Step 6: Final answer
    x = 2,497,566,298.89

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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.