Home / 946,422,009.60-1,419,633,014.40-785,178,873.60

Finding the Fourth Proportional to 946,422,009.60, 1,419,633,014.40 and 785,178,873.60

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Solution

The fourth proportional to 946,422,009.60, 1,419,633,014.40 and 785,178,873.60 is: 1,177,768,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,422,009.60 : 1,419,633,014.40 = 785,178,873.60 : x
  2. Step 2: Convert to fraction form
    946,422,009.60/1,419,633,014.40 = 785,178,873.60/x
  3. Step 3: Cross multiply
    946,422,009.60x = 1,419,633,014.40 × 785,178,873.60
  4. Step 4: Simplify right side
    946,422,009.60x = 1,114,665,851,171,964,672
  5. Step 5: Solve for x
    x = 1,114,665,851,171,964,672/946,422,009.60
  6. Step 6: Final answer
    x = 1,177,768,310.40

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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.