Finding the Fourth Proportional to 3,545,860,569.20, 5,318,790,853.80 and 1,091,878,607.60
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Solution
The fourth proportional to 3,545,860,569.20, 5,318,790,853.80 and 1,091,878,607.60 is: 1,637,817,911.40
Step by Step Solution
- Step 1: Write the proportion equation
3,545,860,569.20 : 5,318,790,853.80 = 1,091,878,607.60 : x - Step 2: Convert to fraction form
3,545,860,569.20/5,318,790,853.80 = 1,091,878,607.60/x - Step 3: Cross multiply
3,545,860,569.20x = 5,318,790,853.80 × 1,091,878,607.60 - Step 4: Simplify right side
3,545,860,569.20x = 5,807,473,951,562,759,168 - Step 5: Solve for x
x = 5,807,473,951,562,759,168/3,545,860,569.20 - Step 6: Final answer
x = 1,637,817,911.40
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.