Finding the Fourth Proportional to 324,489,036.13, 486,733,554.60 and 78,844,408.81
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Solution
The fourth proportional to 324,489,036.13, 486,733,554.60 and 78,844,408.81 is: 118,266,613.31
Step by Step Solution
- Step 1: Write the proportion equation
324,489,036.13 : 486,733,554.60 = 78,844,408.81 : x - Step 2: Convert to fraction form
324,489,036.13/486,733,554.60 = 78,844,408.81/x - Step 3: Cross multiply
324,489,036.13x = 486,733,554.60 × 78,844,408.81 - Step 4: Simplify right side
324,489,036.13x = 38,376,219,360,426,856 - Step 5: Solve for x
x = 38,376,219,360,426,856/324,489,036.13 - Step 6: Final answer
x = 118,266,613.31
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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.