Home / 445,826,412.80-668,739,619.20-271,230,329.60

Finding the Fourth Proportional to 445,826,412.80, 668,739,619.20 and 271,230,329.60

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Solution

The fourth proportional to 445,826,412.80, 668,739,619.20 and 271,230,329.60 is: 406,845,494.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,826,412.80 : 668,739,619.20 = 271,230,329.60 : x
  2. Step 2: Convert to fraction form
    445,826,412.80/668,739,619.20 = 271,230,329.60/x
  3. Step 3: Cross multiply
    445,826,412.80x = 668,739,619.20 × 271,230,329.60
  4. Step 4: Simplify right side
    445,826,412.80x = 181,382,467,332,194,528
  5. Step 5: Solve for x
    x = 181,382,467,332,194,528/445,826,412.80
  6. Step 6: Final answer
    x = 406,845,494.40

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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.