Home / 3,021,128,271.36-4,138,960,500.31-2,907,897,096.28

Finding the Fourth Proportional to 3,021,128,271.36, 4,138,960,500.31 and 2,907,897,096.28

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Solution

The fourth proportional to 3,021,128,271.36, 4,138,960,500.31 and 2,907,897,096.28 is: 3,983,833,236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,021,128,271.36 : 4,138,960,500.31 = 2,907,897,096.28 : x
  2. Step 2: Convert to fraction form
    3,021,128,271.36/4,138,960,500.31 = 2,907,897,096.28/x
  3. Step 3: Cross multiply
    3,021,128,271.36x = 4,138,960,500.31 × 2,907,897,096.28
  4. Step 4: Simplify right side
    3,021,128,271.36x = 12,035,671,220,469,065,728
  5. Step 5: Solve for x
    x = 12,035,671,220,469,065,728/3,021,128,271.36
  6. Step 6: Final answer
    x = 3,983,833,236.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.