Finding the Fourth Proportional to 3,764,218,893.71, 5,645,130,423.95 and 1,242,677,630
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Solution
The fourth proportional to 3,764,218,893.71, 5,645,130,423.95 and 1,242,677,630 is: 1,863,620,978.05
Step by Step Solution
- Step 1: Write the proportion equation
3,764,218,893.71 : 5,645,130,423.95 = 1,242,677,630 : x - Step 2: Convert to fraction form
3,764,218,893.71/5,645,130,423.95 = 1,242,677,630/x - Step 3: Cross multiply
3,764,218,893.71x = 5,645,130,423.95 × 1,242,677,630 - Step 4: Simplify right side
3,764,218,893.71x = 7,015,077,296,275,081,216 - Step 5: Solve for x
x = 7,015,077,296,275,081,216/3,764,218,893.71 - Step 6: Final answer
x = 1,863,620,978.05
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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.