Finding the Fourth Proportional to 326,624,376.45, 450,438,871.02 and 238,378,595.97
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Solution
The fourth proportional to 326,624,376.45, 450,438,871.02 and 238,378,595.97 is: 328,741,494.46
Step by Step Solution
- Step 1: Write the proportion equation
326,624,376.45 : 450,438,871.02 = 238,378,595.97 : x - Step 2: Convert to fraction form
326,624,376.45/450,438,871.02 = 238,378,595.97/x - Step 3: Cross multiply
326,624,376.45x = 450,438,871.02 × 238,378,595.97 - Step 4: Simplify right side
326,624,376.45x = 107,374,985,640,615,440 - Step 5: Solve for x
x = 107,374,985,640,615,440/326,624,376.45 - Step 6: Final answer
x = 328,741,494.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.