Home / 945,133,059.60-1,415,432,107.80-459,891,997.20

Finding the Fourth Proportional to 945,133,059.60, 1,415,432,107.80 and 459,891,997.20

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Solution

The fourth proportional to 945,133,059.60, 1,415,432,107.80 and 459,891,997.20 is: 688,734,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,133,059.60 : 1,415,432,107.80 = 459,891,997.20 : x
  2. Step 2: Convert to fraction form
    945,133,059.60/1,415,432,107.80 = 459,891,997.20/x
  3. Step 3: Cross multiply
    945,133,059.60x = 1,415,432,107.80 × 459,891,997.20
  4. Step 4: Simplify right side
    945,133,059.60x = 650,945,898,957,147,648
  5. Step 5: Solve for x
    x = 650,945,898,957,147,648/945,133,059.60
  6. Step 6: Final answer
    x = 688,734,662.64

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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.