Home / 312,576,009.60-468,864,014.40-159,693,628.80

Finding the Fourth Proportional to 312,576,009.60, 468,864,014.40 and 159,693,628.80

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Solution

The fourth proportional to 312,576,009.60, 468,864,014.40 and 159,693,628.80 is: 239,540,443.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,576,009.60 : 468,864,014.40 = 159,693,628.80 : x
  2. Step 2: Convert to fraction form
    312,576,009.60/468,864,014.40 = 159,693,628.80/x
  3. Step 3: Cross multiply
    312,576,009.60x = 468,864,014.40 × 159,693,628.80
  4. Step 4: Simplify right side
    312,576,009.60x = 74,874,595,873,271,456
  5. Step 5: Solve for x
    x = 74,874,595,873,271,456/312,576,009.60
  6. Step 6: Final answer
    x = 239,540,443.20

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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.