Home / 1,539,651,664.80-2,309,477,497.20-721,846,634.40

Finding the Fourth Proportional to 1,539,651,664.80, 2,309,477,497.20 and 721,846,634.40

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Solution

The fourth proportional to 1,539,651,664.80, 2,309,477,497.20 and 721,846,634.40 is: 1,082,769,951.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,651,664.80 : 2,309,477,497.20 = 721,846,634.40 : x
  2. Step 2: Convert to fraction form
    1,539,651,664.80/2,309,477,497.20 = 721,846,634.40/x
  3. Step 3: Cross multiply
    1,539,651,664.80x = 2,309,477,497.20 × 721,846,634.40
  4. Step 4: Simplify right side
    1,539,651,664.80x = 1,667,088,558,576,355,328
  5. Step 5: Solve for x
    x = 1,667,088,558,576,355,328/1,539,651,664.80
  6. Step 6: Final answer
    x = 1,082,769,951.60

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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.