Home / 1,651,918,102.68-2,477,866,129.38-669,330,145.56

Finding the Fourth Proportional to 1,651,918,102.68, 2,477,866,129.38 and 669,330,145.56

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Solution

The fourth proportional to 1,651,918,102.68, 2,477,866,129.38 and 669,330,145.56 is: 1,003,990,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,918,102.68 : 2,477,866,129.38 = 669,330,145.56 : x
  2. Step 2: Convert to fraction form
    1,651,918,102.68/2,477,866,129.38 = 669,330,145.56/x
  3. Step 3: Cross multiply
    1,651,918,102.68x = 2,477,866,129.38 × 669,330,145.56
  4. Step 4: Simplify right side
    1,651,918,102.68x = 1,658,510,497,056,109,056
  5. Step 5: Solve for x
    x = 1,658,510,497,056,109,056/1,651,918,102.68
  6. Step 6: Final answer
    x = 1,003,990,751.34

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.