Home / 1,651,918,101.68-2,477,866,127.88-669,330,144.56

Finding the Fourth Proportional to 1,651,918,101.68, 2,477,866,127.88 and 669,330,144.56

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Solution

The fourth proportional to 1,651,918,101.68, 2,477,866,127.88 and 669,330,144.56 is: 1,003,990,749.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,651,918,101.68 : 2,477,866,127.88 = 669,330,144.56 : x
  2. Step 2: Convert to fraction form
    1,651,918,101.68/2,477,866,127.88 = 669,330,144.56/x
  3. Step 3: Cross multiply
    1,651,918,101.68x = 2,477,866,127.88 × 669,330,144.56
  4. Step 4: Simplify right side
    1,651,918,101.68x = 1,658,510,493,574,247,680
  5. Step 5: Solve for x
    x = 1,658,510,493,574,247,680/1,651,918,101.68
  6. Step 6: Final answer
    x = 1,003,990,749.84

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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.