Home / 1,276,403,800.20-1,914,668,685.90-664,183,768.20

Finding the Fourth Proportional to 1,276,403,800.20, 1,914,668,685.90 and 664,183,768.20

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Solution

The fourth proportional to 1,276,403,800.20, 1,914,668,685.90 and 664,183,768.20 is: 996,308,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,403,800.20 : 1,914,668,685.90 = 664,183,768.20 : x
  2. Step 2: Convert to fraction form
    1,276,403,800.20/1,914,668,685.90 = 664,183,768.20/x
  3. Step 3: Cross multiply
    1,276,403,800.20x = 1,914,668,685.90 × 664,183,768.20
  4. Step 4: Simplify right side
    1,276,403,800.20x = 1,271,691,862,655,604,480
  5. Step 5: Solve for x
    x = 1,271,691,862,655,604,480/1,276,403,800.20
  6. Step 6: Final answer
    x = 996,308,427.20

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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.