Finding the Fourth Proportional to 450,149,695.44, 621,271,558.14 and 259,374,174.87
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Solution
The fourth proportional to 450,149,695.44, 621,271,558.14 and 259,374,174.87 is: 357,973,801.59
Step by Step Solution
- Step 1: Write the proportion equation
450,149,695.44 : 621,271,558.14 = 259,374,174.87 : x - Step 2: Convert to fraction form
450,149,695.44/621,271,558.14 = 259,374,174.87/x - Step 3: Cross multiply
450,149,695.44x = 621,271,558.14 × 259,374,174.87 - Step 4: Simplify right side
450,149,695.44x = 161,141,797,762,761,728 - Step 5: Solve for x
x = 161,141,797,762,761,728/450,149,695.44 - Step 6: Final answer
x = 357,973,801.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.