Home / 2,889,231,338.40-4,333,847,007.60-2,153,484,880.80

Finding the Fourth Proportional to 2,889,231,338.40, 4,333,847,007.60 and 2,153,484,880.80

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Solution

The fourth proportional to 2,889,231,338.40, 4,333,847,007.60 and 2,153,484,880.80 is: 3,230,227,321.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,231,338.40 : 4,333,847,007.60 = 2,153,484,880.80 : x
  2. Step 2: Convert to fraction form
    2,889,231,338.40/4,333,847,007.60 = 2,153,484,880.80/x
  3. Step 3: Cross multiply
    2,889,231,338.40x = 4,333,847,007.60 × 2,153,484,880.80
  4. Step 4: Simplify right side
    2,889,231,338.40x = 9,332,874,006,566,924,288
  5. Step 5: Solve for x
    x = 9,332,874,006,566,924,288/2,889,231,338.40
  6. Step 6: Final answer
    x = 3,230,227,321.20

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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.