Finding the Fourth Proportional to 386,995,252.80, 543,323,904 and 386,995,252.80
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Solution
The fourth proportional to 386,995,252.80, 543,323,904 and 386,995,252.80 is: 543,323,904
Step by Step Solution
- Step 1: Write the proportion equation
386,995,252.80 : 543,323,904 = 386,995,252.80 : x - Step 2: Convert to fraction form
386,995,252.80/543,323,904 = 386,995,252.80/x - Step 3: Cross multiply
386,995,252.80x = 543,323,904 × 386,995,252.80 - Step 4: Simplify right side
386,995,252.80x = 210,263,771,580,762,944 - Step 5: Solve for x
x = 210,263,771,580,762,944/386,995,252.80 - Step 6: Final answer
x = 543,323,904
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.