Home / 670,950,892.20-1,006,089,556.63-390,922,447.71

Finding the Fourth Proportional to 670,950,892.20, 1,006,089,556.63 and 390,922,447.71

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Solution

The fourth proportional to 670,950,892.20, 1,006,089,556.63 and 390,922,447.71 is: 586,187,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,950,892.20 : 1,006,089,556.63 = 390,922,447.71 : x
  2. Step 2: Convert to fraction form
    670,950,892.20/1,006,089,556.63 = 390,922,447.71/x
  3. Step 3: Cross multiply
    670,950,892.20x = 1,006,089,556.63 × 390,922,447.71
  4. Step 4: Simplify right side
    670,950,892.20x = 393,302,992,093,268,224
  5. Step 5: Solve for x
    x = 393,302,992,093,268,224/670,950,892.20
  6. Step 6: Final answer
    x = 586,187,449.28

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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.