Home / 742,469,449.88-1,113,531,398.90-276,350,393.24

Finding the Fourth Proportional to 742,469,449.88, 1,113,531,398.90 and 276,350,393.24

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Solution

The fourth proportional to 742,469,449.88, 1,113,531,398.90 and 276,350,393.24 is: 414,461,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,469,449.88 : 1,113,531,398.90 = 276,350,393.24 : x
  2. Step 2: Convert to fraction form
    742,469,449.88/1,113,531,398.90 = 276,350,393.24/x
  3. Step 3: Cross multiply
    742,469,449.88x = 1,113,531,398.90 × 276,350,393.24
  4. Step 4: Simplify right side
    742,469,449.88x = 307,724,839,971,102,336
  5. Step 5: Solve for x
    x = 307,724,839,971,102,336/742,469,449.88
  6. Step 6: Final answer
    x = 414,461,281.90

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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.