Home / 412,831,234.80-619,246,852.20-140,202,001.80

Finding the Fourth Proportional to 412,831,234.80, 619,246,852.20 and 140,202,001.80

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Solution

The fourth proportional to 412,831,234.80, 619,246,852.20 and 140,202,001.80 is: 210,303,002.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,831,234.80 : 619,246,852.20 = 140,202,001.80 : x
  2. Step 2: Convert to fraction form
    412,831,234.80/619,246,852.20 = 140,202,001.80/x
  3. Step 3: Cross multiply
    412,831,234.80x = 619,246,852.20 × 140,202,001.80
  4. Step 4: Simplify right side
    412,831,234.80x = 86,819,648,286,788,752
  5. Step 5: Solve for x
    x = 86,819,648,286,788,752/412,831,234.80
  6. Step 6: Final answer
    x = 210,303,002.70

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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.