Home / 2,790,544,004.40-4,185,816,006.60-1,964,046,961.20

Finding the Fourth Proportional to 2,790,544,004.40, 4,185,816,006.60 and 1,964,046,961.20

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Solution

The fourth proportional to 2,790,544,004.40, 4,185,816,006.60 and 1,964,046,961.20 is: 2,946,070,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,544,004.40 : 4,185,816,006.60 = 1,964,046,961.20 : x
  2. Step 2: Convert to fraction form
    2,790,544,004.40/4,185,816,006.60 = 1,964,046,961.20/x
  3. Step 3: Cross multiply
    2,790,544,004.40x = 4,185,816,006.60 × 1,964,046,961.20
  4. Step 4: Simplify right side
    2,790,544,004.40x = 8,221,139,207,905,049,600
  5. Step 5: Solve for x
    x = 8,221,139,207,905,049,600/2,790,544,004.40
  6. Step 6: Final answer
    x = 2,946,070,441.80

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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.