Home / 1,512,742,740.60-2,269,348,721.46-639,347,786.04

Finding the Fourth Proportional to 1,512,742,740.60, 2,269,348,721.46 and 639,347,786.04

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Solution

The fourth proportional to 1,512,742,740.60, 2,269,348,721.46 and 639,347,786.04 is: 959,120,835.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,742,740.60 : 2,269,348,721.46 = 639,347,786.04 : x
  2. Step 2: Convert to fraction form
    1,512,742,740.60/2,269,348,721.46 = 639,347,786.04/x
  3. Step 3: Cross multiply
    1,512,742,740.60x = 2,269,348,721.46 × 639,347,786.04
  4. Step 4: Simplify right side
    1,512,742,740.60x = 1,450,903,080,818,155,520
  5. Step 5: Solve for x
    x = 1,450,903,080,818,155,520/1,512,742,740.60
  6. Step 6: Final answer
    x = 959,120,835.21

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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.