Home / 821,933,489.04-1,232,711,569.80-490,034,412.24

Finding the Fourth Proportional to 821,933,489.04, 1,232,711,569.80 and 490,034,412.24

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Solution

The fourth proportional to 821,933,489.04, 1,232,711,569.80 and 490,034,412.24 is: 734,939,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,933,489.04 : 1,232,711,569.80 = 490,034,412.24 : x
  2. Step 2: Convert to fraction form
    821,933,489.04/1,232,711,569.80 = 490,034,412.24/x
  3. Step 3: Cross multiply
    821,933,489.04x = 1,232,711,569.80 × 490,034,412.24
  4. Step 4: Simplify right side
    821,933,489.04x = 604,071,089,568,390,784
  5. Step 5: Solve for x
    x = 604,071,089,568,390,784/821,933,489.04
  6. Step 6: Final answer
    x = 734,939,137.56

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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.