Home / 2,079,664,628.54-2,870,006,593.51-1,139,869,678.55

Finding the Fourth Proportional to 2,079,664,628.54, 2,870,006,593.51 and 1,139,869,678.55

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Solution

The fourth proportional to 2,079,664,628.54, 2,870,006,593.51 and 1,139,869,678.55 is: 1,573,058,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,664,628.54 : 2,870,006,593.51 = 1,139,869,678.55 : x
  2. Step 2: Convert to fraction form
    2,079,664,628.54/2,870,006,593.51 = 1,139,869,678.55/x
  3. Step 3: Cross multiply
    2,079,664,628.54x = 2,870,006,593.51 × 1,139,869,678.55
  4. Step 4: Simplify right side
    2,079,664,628.54x = 3,271,433,493,180,624,384
  5. Step 5: Solve for x
    x = 3,271,433,493,180,624,384/2,079,664,628.54
  6. Step 6: Final answer
    x = 1,573,058,198.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.