Home / 647,669,896.35-971,277,530.41-181,205,973.06

Finding the Fourth Proportional to 647,669,896.35, 971,277,530.41 and 181,205,973.06

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Solution

The fourth proportional to 647,669,896.35, 971,277,530.41 and 181,205,973.06 is: 271,745,361.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,669,896.35 : 971,277,530.41 = 181,205,973.06 : x
  2. Step 2: Convert to fraction form
    647,669,896.35/971,277,530.41 = 181,205,973.06/x
  3. Step 3: Cross multiply
    647,669,896.35x = 971,277,530.41 × 181,205,973.06
  4. Step 4: Simplify right side
    647,669,896.35x = 176,001,290,009,257,792
  5. Step 5: Solve for x
    x = 176,001,290,009,257,792/647,669,896.35
  6. Step 6: Final answer
    x = 271,745,361.33

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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.