Home / 13,779,465,478.20-20,669,198,217.30-3,964,813,090.20

Finding the Fourth Proportional to 13,779,465,478.20, 20,669,198,217.30 and 3,964,813,090.20

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Solution

The fourth proportional to 13,779,465,478.20, 20,669,198,217.30 and 3,964,813,090.20 is: 5,947,219,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,779,465,478.20 : 20,669,198,217.30 = 3,964,813,090.20 : x
  2. Step 2: Convert to fraction form
    13,779,465,478.20/20,669,198,217.30 = 3,964,813,090.20/x
  3. Step 3: Cross multiply
    13,779,465,478.20x = 20,669,198,217.30 × 3,964,813,090.20
  4. Step 4: Simplify right side
    13,779,465,478.20x = 81,949,507,655,889,534,976
  5. Step 5: Solve for x
    x = 81,949,507,655,889,534,976/13,779,465,478.20
  6. Step 6: Final answer
    x = 5,947,219,635.30

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Double scale
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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.