Finding the Fourth Proportional to 2,949,792,212.35, 4,070,717,630.54 and 1,679,634,231.02
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Solution
The fourth proportional to 2,949,792,212.35, 4,070,717,630.54 and 1,679,634,231.02 is: 2,317,897,731.38
Step by Step Solution
- Step 1: Write the proportion equation
2,949,792,212.35 : 4,070,717,630.54 = 1,679,634,231.02 : x - Step 2: Convert to fraction form
2,949,792,212.35/4,070,717,630.54 = 1,679,634,231.02/x - Step 3: Cross multiply
2,949,792,212.35x = 4,070,717,630.54 × 1,679,634,231.02 - Step 4: Simplify right side
2,949,792,212.35x = 6,837,316,677,055,455,232 - Step 5: Solve for x
x = 6,837,316,677,055,455,232/2,949,792,212.35 - Step 6: Final answer
x = 2,317,897,731.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.