Home / 2,990,112,043.60-4,485,168,065.40-1,765,671,979.60

Finding the Fourth Proportional to 2,990,112,043.60, 4,485,168,065.40 and 1,765,671,979.60

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Solution

The fourth proportional to 2,990,112,043.60, 4,485,168,065.40 and 1,765,671,979.60 is: 2,648,507,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,112,043.60 : 4,485,168,065.40 = 1,765,671,979.60 : x
  2. Step 2: Convert to fraction form
    2,990,112,043.60/4,485,168,065.40 = 1,765,671,979.60/x
  3. Step 3: Cross multiply
    2,990,112,043.60x = 4,485,168,065.40 × 1,765,671,979.60
  4. Step 4: Simplify right side
    2,990,112,043.60x = 7,919,335,576,873,519,104
  5. Step 5: Solve for x
    x = 7,919,335,576,873,519,104/2,990,112,043.60
  6. Step 6: Final answer
    x = 2,648,507,969.40

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Double scale
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Similar ratio
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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.