Finding the Fourth Proportional to 854,872,800,835.20, 1,282,526,249,950.40 and 395,738,479,067.49
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Solution
The fourth proportional to 854,872,800,835.20, 1,282,526,249,950.40 and 395,738,479,067.49 is: 593,708,194,977.82
Step by Step Solution
- Step 1: Write the proportion equation
854,872,800,835.20 : 1,282,526,249,950.40 = 395,738,479,067.49 : x - Step 2: Convert to fraction form
854,872,800,835.20/1,282,526,249,950.40 = 395,738,479,067.49/x - Step 3: Cross multiply
854,872,800,835.20x = 1,282,526,249,950.40 × 395,738,479,067.49 - Step 4: Simplify right side
854,872,800,835.20x = 507,544,987,519,502,790,950,912 - Step 5: Solve for x
x = 507,544,987,519,502,790,950,912/854,872,800,835.20 - Step 6: Final answer
x = 593,708,194,977.82
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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.