Home / 3,979,890,007.40-5,969,835,011.10-2,816,671,946.60

Finding the Fourth Proportional to 3,979,890,007.40, 5,969,835,011.10 and 2,816,671,946.60

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Solution

The fourth proportional to 3,979,890,007.40, 5,969,835,011.10 and 2,816,671,946.60 is: 4,225,007,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,890,007.40 : 5,969,835,011.10 = 2,816,671,946.60 : x
  2. Step 2: Convert to fraction form
    3,979,890,007.40/5,969,835,011.10 = 2,816,671,946.60/x
  3. Step 3: Cross multiply
    3,979,890,007.40x = 5,969,835,011.10 × 2,816,671,946.60
  4. Step 4: Simplify right side
    3,979,890,007.40x = 16,815,066,801,595,869,184
  5. Step 5: Solve for x
    x = 16,815,066,801,595,869,184/3,979,890,007.40
  6. Step 6: Final answer
    x = 4,225,007,919.90

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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.