Home / 823,228,358.34-1,239,771,096.21-749,761,954.50

Finding the Fourth Proportional to 823,228,358.34, 1,239,771,096.21 and 749,761,954.50

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Solution

The fourth proportional to 823,228,358.34, 1,239,771,096.21 and 749,761,954.50 is: 1,129,131,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,228,358.34 : 1,239,771,096.21 = 749,761,954.50 : x
  2. Step 2: Convert to fraction form
    823,228,358.34/1,239,771,096.21 = 749,761,954.50/x
  3. Step 3: Cross multiply
    823,228,358.34x = 1,239,771,096.21 × 749,761,954.50
  4. Step 4: Simplify right side
    823,228,358.34x = 929,533,200,227,017,216
  5. Step 5: Solve for x
    x = 929,533,200,227,017,216/823,228,358.34
  6. Step 6: Final answer
    x = 1,129,131,656.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.