Home / 1,371,149,871.84-2,056,456,995.84-438,222,468.24

Finding the Fourth Proportional to 1,371,149,871.84, 2,056,456,995.84 and 438,222,468.24

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Solution

The fourth proportional to 1,371,149,871.84, 2,056,456,995.84 and 438,222,468.24 is: 657,248,109.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,149,871.84 : 2,056,456,995.84 = 438,222,468.24 : x
  2. Step 2: Convert to fraction form
    1,371,149,871.84/2,056,456,995.84 = 438,222,468.24/x
  3. Step 3: Cross multiply
    1,371,149,871.84x = 2,056,456,995.84 × 438,222,468.24
  4. Step 4: Simplify right side
    1,371,149,871.84x = 901,185,660,546,420,224
  5. Step 5: Solve for x
    x = 901,185,660,546,420,224/1,371,149,871.84
  6. Step 6: Final answer
    x = 657,248,109.09

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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.