Finding the Fourth Proportional to 374,137,729.20, 561,206,593.80 and 306,113,281.20
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Solution
The fourth proportional to 374,137,729.20, 561,206,593.80 and 306,113,281.20 is: 459,169,921.80
Step by Step Solution
- Step 1: Write the proportion equation
374,137,729.20 : 561,206,593.80 = 306,113,281.20 : x - Step 2: Convert to fraction form
374,137,729.20/561,206,593.80 = 306,113,281.20/x - Step 3: Cross multiply
374,137,729.20x = 561,206,593.80 × 306,113,281.20 - Step 4: Simplify right side
374,137,729.20x = 171,792,791,859,193,568 - Step 5: Solve for x
x = 171,792,791,859,193,568/374,137,729.20 - Step 6: Final answer
x = 459,169,921.80
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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.