Finding the Fourth Proportional to 348,258,245.13, 522,370,152.36 and 129,891,576.78
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Solution
The fourth proportional to 348,258,245.13, 522,370,152.36 and 129,891,576.78 is: 194,830,944.28
Step by Step Solution
- Step 1: Write the proportion equation
348,258,245.13 : 522,370,152.36 = 129,891,576.78 : x - Step 2: Convert to fraction form
348,258,245.13/522,370,152.36 = 129,891,576.78/x - Step 3: Cross multiply
348,258,245.13x = 522,370,152.36 × 129,891,576.78 - Step 4: Simplify right side
348,258,245.13x = 67,851,482,752,849,240 - Step 5: Solve for x
x = 67,851,482,752,849,240/348,258,245.13 - Step 6: Final answer
x = 194,830,944.28
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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.