Home / 1,286,627,114.80-1,929,940,672.20-1,072,350,103.60

Finding the Fourth Proportional to 1,286,627,114.80, 1,929,940,672.20 and 1,072,350,103.60

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Solution

The fourth proportional to 1,286,627,114.80, 1,929,940,672.20 and 1,072,350,103.60 is: 1,608,525,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,627,114.80 : 1,929,940,672.20 = 1,072,350,103.60 : x
  2. Step 2: Convert to fraction form
    1,286,627,114.80/1,929,940,672.20 = 1,072,350,103.60/x
  3. Step 3: Cross multiply
    1,286,627,114.80x = 1,929,940,672.20 × 1,072,350,103.60
  4. Step 4: Simplify right side
    1,286,627,114.80x = 2,069,572,079,775,523,840
  5. Step 5: Solve for x
    x = 2,069,572,079,775,523,840/1,286,627,114.80
  6. Step 6: Final answer
    x = 1,608,525,155.40

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1.5x scale

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.