Home / 493,476,418.80-740,498,063.40-186,988,489.20

Finding the Fourth Proportional to 493,476,418.80, 740,498,063.40 and 186,988,489.20

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Solution

The fourth proportional to 493,476,418.80, 740,498,063.40 and 186,988,489.20 is: 280,590,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,476,418.80 : 740,498,063.40 = 186,988,489.20 : x
  2. Step 2: Convert to fraction form
    493,476,418.80/740,498,063.40 = 186,988,489.20/x
  3. Step 3: Cross multiply
    493,476,418.80x = 740,498,063.40 × 186,988,489.20
  4. Step 4: Simplify right side
    493,476,418.80x = 138,464,614,130,691,808
  5. Step 5: Solve for x
    x = 138,464,614,130,691,808/493,476,418.80
  6. Step 6: Final answer
    x = 280,590,133.30

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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.