Home / 459,027,047.40-688,540,571.10-275,361,037.80

Finding the Fourth Proportional to 459,027,047.40, 688,540,571.10 and 275,361,037.80

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Solution

The fourth proportional to 459,027,047.40, 688,540,571.10 and 275,361,037.80 is: 413,041,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,027,047.40 : 688,540,571.10 = 275,361,037.80 : x
  2. Step 2: Convert to fraction form
    459,027,047.40/688,540,571.10 = 275,361,037.80/x
  3. Step 3: Cross multiply
    459,027,047.40x = 688,540,571.10 × 275,361,037.80
  4. Step 4: Simplify right side
    459,027,047.40x = 189,597,246,225,500,704
  5. Step 5: Solve for x
    x = 189,597,246,225,500,704/459,027,047.40
  6. Step 6: Final answer
    x = 413,041,556.70

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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.