Home / 448,973,611.10-673,823,141.85-190,370,418.29

Finding the Fourth Proportional to 448,973,611.10, 673,823,141.85 and 190,370,418.29

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Solution

The fourth proportional to 448,973,611.10, 673,823,141.85 and 190,370,418.29 is: 285,709,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,973,611.10 : 673,823,141.85 = 190,370,418.29 : x
  2. Step 2: Convert to fraction form
    448,973,611.10/673,823,141.85 = 190,370,418.29/x
  3. Step 3: Cross multiply
    448,973,611.10x = 673,823,141.85 × 190,370,418.29
  4. Step 4: Simplify right side
    448,973,611.10x = 128,275,993,367,466,496
  5. Step 5: Solve for x
    x = 128,275,993,367,466,496/448,973,611.10
  6. Step 6: Final answer
    x = 285,709,427.45

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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.