Home / 2,820,977,069.07-3,892,716,957.64-1,660,745,208.47

Finding the Fourth Proportional to 2,820,977,069.07, 3,892,716,957.64 and 1,660,745,208.47

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Solution

The fourth proportional to 2,820,977,069.07, 3,892,716,957.64 and 1,660,745,208.47 is: 2,291,692,160.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,977,069.07 : 3,892,716,957.64 = 1,660,745,208.47 : x
  2. Step 2: Convert to fraction form
    2,820,977,069.07/3,892,716,957.64 = 1,660,745,208.47/x
  3. Step 3: Cross multiply
    2,820,977,069.07x = 3,892,716,957.64 × 1,660,745,208.47
  4. Step 4: Simplify right side
    2,820,977,069.07x = 6,464,811,035,305,435,136
  5. Step 5: Solve for x
    x = 6,464,811,035,305,435,136/2,820,977,069.07
  6. Step 6: Final answer
    x = 2,291,692,160.91

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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.