Home / 1,992,029,007.60-2,988,043,511.40-1,964,819,228.40

Finding the Fourth Proportional to 1,992,029,007.60, 2,988,043,511.40 and 1,964,819,228.40

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Solution

The fourth proportional to 1,992,029,007.60, 2,988,043,511.40 and 1,964,819,228.40 is: 2,947,228,842.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,029,007.60 : 2,988,043,511.40 = 1,964,819,228.40 : x
  2. Step 2: Convert to fraction form
    1,992,029,007.60/2,988,043,511.40 = 1,964,819,228.40/x
  3. Step 3: Cross multiply
    1,992,029,007.60x = 2,988,043,511.40 × 1,964,819,228.40
  4. Step 4: Simplify right side
    1,992,029,007.60x = 5,870,965,346,494,574,592
  5. Step 5: Solve for x
    x = 5,870,965,346,494,574,592/1,992,029,007.60
  6. Step 6: Final answer
    x = 2,947,228,842.60

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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.