Home / 3,688,087,668.39-5,089,576,211.64-1,994,542,276.59

Finding the Fourth Proportional to 3,688,087,668.39, 5,089,576,211.64 and 1,994,542,276.59

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Solution

The fourth proportional to 3,688,087,668.39, 5,089,576,211.64 and 1,994,542,276.59 is: 2,752,476,577.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,087,668.39 : 5,089,576,211.64 = 1,994,542,276.59 : x
  2. Step 2: Convert to fraction form
    3,688,087,668.39/5,089,576,211.64 = 1,994,542,276.59/x
  3. Step 3: Cross multiply
    3,688,087,668.39x = 5,089,576,211.64 × 1,994,542,276.59
  4. Step 4: Simplify right side
    3,688,087,668.39x = 10,151,374,924,042,754,048
  5. Step 5: Solve for x
    x = 10,151,374,924,042,754,048/3,688,087,668.39
  6. Step 6: Final answer
    x = 2,752,476,577.78

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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.