Home / 673,618,137.20-1,010,427,205.80-305,329,524.20

Finding the Fourth Proportional to 673,618,137.20, 1,010,427,205.80 and 305,329,524.20

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Solution

The fourth proportional to 673,618,137.20, 1,010,427,205.80 and 305,329,524.20 is: 457,994,286.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,618,137.20 : 1,010,427,205.80 = 305,329,524.20 : x
  2. Step 2: Convert to fraction form
    673,618,137.20/1,010,427,205.80 = 305,329,524.20/x
  3. Step 3: Cross multiply
    673,618,137.20x = 1,010,427,205.80 × 305,329,524.20
  4. Step 4: Simplify right side
    673,618,137.20x = 308,513,257,985,649,472
  5. Step 5: Solve for x
    x = 308,513,257,985,649,472/673,618,137.20
  6. Step 6: Final answer
    x = 457,994,286.30

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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.