Home / 368,742,160,675.62-508,582,434,725.64-317,386,728,992.12

Finding the Fourth Proportional to 368,742,160,675.62, 508,582,434,725.64 and 317,386,728,992.12

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Solution

The fourth proportional to 368,742,160,675.62, 508,582,434,725.64 and 317,386,728,992.12 is: 437,751,178,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,742,160,675.62 : 508,582,434,725.64 = 317,386,728,992.12 : x
  2. Step 2: Convert to fraction form
    368,742,160,675.62/508,582,434,725.64 = 317,386,728,992.12/x
  3. Step 3: Cross multiply
    368,742,160,675.62x = 508,582,434,725.64 × 317,386,728,992.12
  4. Step 4: Simplify right side
    368,742,160,675.62x = 161,417,315,380,419,266,347,008
  5. Step 5: Solve for x
    x = 161,417,315,380,419,266,347,008/368,742,160,675.62
  6. Step 6: Final answer
    x = 437,751,178,451.27

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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.