Home / 419,742,612.12-579,245,577.66-234,115,592.52

Finding the Fourth Proportional to 419,742,612.12, 579,245,577.66 and 234,115,592.52

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Solution

The fourth proportional to 419,742,612.12, 579,245,577.66 and 234,115,592.52 is: 323,079,948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,742,612.12 : 579,245,577.66 = 234,115,592.52 : x
  2. Step 2: Convert to fraction form
    419,742,612.12/579,245,577.66 = 234,115,592.52/x
  3. Step 3: Cross multiply
    419,742,612.12x = 579,245,577.66 × 234,115,592.52
  4. Step 4: Simplify right side
    419,742,612.12x = 135,610,421,628,460,576
  5. Step 5: Solve for x
    x = 135,610,421,628,460,576/419,742,612.12
  6. Step 6: Final answer
    x = 323,079,948.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.