Home / 1,820,578,766.40-2,512,398,700.80-985,203,336.60

Finding the Fourth Proportional to 1,820,578,766.40, 2,512,398,700.80 and 985,203,336.60

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Solution

The fourth proportional to 1,820,578,766.40, 2,512,398,700.80 and 985,203,336.60 is: 1,359,580,606.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,578,766.40 : 2,512,398,700.80 = 985,203,336.60 : x
  2. Step 2: Convert to fraction form
    1,820,578,766.40/2,512,398,700.80 = 985,203,336.60/x
  3. Step 3: Cross multiply
    1,820,578,766.40x = 2,512,398,700.80 × 985,203,336.60
  4. Step 4: Simplify right side
    1,820,578,766.40x = 2,475,223,582,897,665,536
  5. Step 5: Solve for x
    x = 2,475,223,582,897,665,536/1,820,578,766.40
  6. Step 6: Final answer
    x = 1,359,580,606.22

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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.