Finding the Fourth Proportional to 486,347,765.92, 729,566,495.84 and 158,824,995.53
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Solution
The fourth proportional to 486,347,765.92, 729,566,495.84 and 158,824,995.53 is: 238,252,138.81
Step by Step Solution
- Step 1: Write the proportion equation
486,347,765.92 : 729,566,495.84 = 158,824,995.53 : x - Step 2: Convert to fraction form
486,347,765.92/729,566,495.84 = 158,824,995.53/x - Step 3: Cross multiply
486,347,765.92x = 729,566,495.84 × 158,824,995.53 - Step 4: Simplify right side
486,347,765.92x = 115,873,395,437,374,992 - Step 5: Solve for x
x = 115,873,395,437,374,992/486,347,765.92 - Step 6: Final answer
x = 238,252,138.81
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.