Finding the Fourth Proportional to 1,963,999,387.48, 2,946,551,779.86 and 858,701,309.80
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Solution
The fourth proportional to 1,963,999,387.48, 2,946,551,779.86 and 858,701,309.80 is: 1,288,293,616.02
Step by Step Solution
- Step 1: Write the proportion equation
1,963,999,387.48 : 2,946,551,779.86 = 858,701,309.80 : x - Step 2: Convert to fraction form
1,963,999,387.48/2,946,551,779.86 = 858,701,309.80/x - Step 3: Cross multiply
1,963,999,387.48x = 2,946,551,779.86 × 858,701,309.80 - Step 4: Simplify right side
1,963,999,387.48x = 2,530,207,872,759,303,168 - Step 5: Solve for x
x = 2,530,207,872,759,303,168/1,963,999,387.48 - Step 6: Final answer
x = 1,288,293,616.02
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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.