Home / 742,883,575.45-1,114,330,111.70-218,250,531.49

Finding the Fourth Proportional to 742,883,575.45, 1,114,330,111.70 and 218,250,531.49

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Solution

The fourth proportional to 742,883,575.45, 1,114,330,111.70 and 218,250,531.49 is: 327,377,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,883,575.45 : 1,114,330,111.70 = 218,250,531.49 : x
  2. Step 2: Convert to fraction form
    742,883,575.45/1,114,330,111.70 = 218,250,531.49/x
  3. Step 3: Cross multiply
    742,883,575.45x = 1,114,330,111.70 × 218,250,531.49
  4. Step 4: Simplify right side
    742,883,575.45x = 243,203,139,133,836,096
  5. Step 5: Solve for x
    x = 243,203,139,133,836,096/742,883,575.45
  6. Step 6: Final answer
    x = 327,377,192.30

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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.