Finding the Fourth Proportional to 416,278,245.64, 624,175,330.56 and 157,513,455.40
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Solution
The fourth proportional to 416,278,245.64, 624,175,330.56 and 157,513,455.40 is: 236,178,599.58
Step by Step Solution
- Step 1: Write the proportion equation
416,278,245.64 : 624,175,330.56 = 157,513,455.40 : x - Step 2: Convert to fraction form
416,278,245.64/624,175,330.56 = 157,513,455.40/x - Step 3: Cross multiply
416,278,245.64x = 624,175,330.56 × 157,513,455.40 - Step 4: Simplify right side
416,278,245.64x = 98,316,013,091,942,816 - Step 5: Solve for x
x = 98,316,013,091,942,816/416,278,245.64 - Step 6: Final answer
x = 236,178,599.58
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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.