Home / 677,014,740.45-1,015,522,110.68-289,594,251.45

Finding the Fourth Proportional to 677,014,740.45, 1,015,522,110.68 and 289,594,251.45

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Solution

The fourth proportional to 677,014,740.45, 1,015,522,110.68 and 289,594,251.45 is: 434,391,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,014,740.45 : 1,015,522,110.68 = 289,594,251.45 : x
  2. Step 2: Convert to fraction form
    677,014,740.45/1,015,522,110.68 = 289,594,251.45/x
  3. Step 3: Cross multiply
    677,014,740.45x = 1,015,522,110.68 × 289,594,251.45
  4. Step 4: Simplify right side
    677,014,740.45x = 294,089,365,471,850,624
  5. Step 5: Solve for x
    x = 294,089,365,471,850,624/677,014,740.45
  6. Step 6: Final answer
    x = 434,391,377.18

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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.