Home / 459,968,414.40-689,952,621.60-296,709,739.20

Finding the Fourth Proportional to 459,968,414.40, 689,952,621.60 and 296,709,739.20

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Solution

The fourth proportional to 459,968,414.40, 689,952,621.60 and 296,709,739.20 is: 445,064,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,968,414.40 : 689,952,621.60 = 296,709,739.20 : x
  2. Step 2: Convert to fraction form
    459,968,414.40/689,952,621.60 = 296,709,739.20/x
  3. Step 3: Cross multiply
    459,968,414.40x = 689,952,621.60 × 296,709,739.20
  4. Step 4: Simplify right side
    459,968,414.40x = 204,715,662,415,292,288
  5. Step 5: Solve for x
    x = 204,715,662,415,292,288/459,968,414.40
  6. Step 6: Final answer
    x = 445,064,608.80

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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.