Home / 410,431,470,910.46-615,749,749,179.84-289,655,842,374.46

Finding the Fourth Proportional to 410,431,470,910.46, 615,749,749,179.84 and 289,655,842,374.46

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Solution

The fourth proportional to 410,431,470,910.46, 615,749,749,179.84 and 289,655,842,374.46 is: 434,556,131,611.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,431,470,910.46 : 615,749,749,179.84 = 289,655,842,374.46 : x
  2. Step 2: Convert to fraction form
    410,431,470,910.46/615,749,749,179.84 = 289,655,842,374.46/x
  3. Step 3: Cross multiply
    410,431,470,910.46x = 615,749,749,179.84 × 289,655,842,374.46
  4. Step 4: Simplify right side
    410,431,470,910.46x = 178,355,512,290,549,035,958,272
  5. Step 5: Solve for x
    x = 178,355,512,290,549,035,958,272/410,431,470,910.46
  6. Step 6: Final answer
    x = 434,556,131,611.70

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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.