Home / 969,844,499.20-1,454,766,748.80-279,774,265.60

Finding the Fourth Proportional to 969,844,499.20, 1,454,766,748.80 and 279,774,265.60

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Solution

The fourth proportional to 969,844,499.20, 1,454,766,748.80 and 279,774,265.60 is: 419,661,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,844,499.20 : 1,454,766,748.80 = 279,774,265.60 : x
  2. Step 2: Convert to fraction form
    969,844,499.20/1,454,766,748.80 = 279,774,265.60/x
  3. Step 3: Cross multiply
    969,844,499.20x = 1,454,766,748.80 × 279,774,265.60
  4. Step 4: Simplify right side
    969,844,499.20x = 407,006,298,764,819,712
  5. Step 5: Solve for x
    x = 407,006,298,764,819,712/969,844,499.20
  6. Step 6: Final answer
    x = 419,661,398.40

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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.