Home / 766,802,000.40-1,150,203,000.60-459,936,157.20

Finding the Fourth Proportional to 766,802,000.40, 1,150,203,000.60 and 459,936,157.20

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Solution

The fourth proportional to 766,802,000.40, 1,150,203,000.60 and 459,936,157.20 is: 689,904,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,802,000.40 : 1,150,203,000.60 = 459,936,157.20 : x
  2. Step 2: Convert to fraction form
    766,802,000.40/1,150,203,000.60 = 459,936,157.20/x
  3. Step 3: Cross multiply
    766,802,000.40x = 1,150,203,000.60 × 459,936,157.20
  4. Step 4: Simplify right side
    766,802,000.40x = 529,019,948,095,873,216
  5. Step 5: Solve for x
    x = 529,019,948,095,873,216/766,802,000.40
  6. Step 6: Final answer
    x = 689,904,235.80

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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.