Home / 380,406,582-570,805,111.84-181,211,451.20

Finding the Fourth Proportional to 380,406,582, 570,805,111.84 and 181,211,451.20

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Solution

The fourth proportional to 380,406,582, 570,805,111.84 and 181,211,451.20 is: 271,910,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,406,582 : 570,805,111.84 = 181,211,451.20 : x
  2. Step 2: Convert to fraction form
    380,406,582/570,805,111.84 = 181,211,451.20/x
  3. Step 3: Cross multiply
    380,406,582x = 570,805,111.84 × 181,211,451.20
  4. Step 4: Simplify right side
    380,406,582x = 103,436,422,668,904,704
  5. Step 5: Solve for x
    x = 103,436,422,668,904,704/380,406,582
  6. Step 6: Final answer
    x = 271,910,181.27

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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.