Finding the Fourth Proportional to 1,787,767,398.27, 2,465,721,370.04 and 1,161,437,629.59
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Solution
The fourth proportional to 1,787,767,398.27, 2,465,721,370.04 and 1,161,437,629.59 is: 1,601,875,940.92
Step by Step Solution
- Step 1: Write the proportion equation
1,787,767,398.27 : 2,465,721,370.04 = 1,161,437,629.59 : x - Step 2: Convert to fraction form
1,787,767,398.27/2,465,721,370.04 = 1,161,437,629.59/x - Step 3: Cross multiply
1,787,767,398.27x = 2,465,721,370.04 × 1,161,437,629.59 - Step 4: Simplify right side
1,787,767,398.27x = 2,863,781,583,242,857,472 - Step 5: Solve for x
x = 2,863,781,583,242,857,472/1,787,767,398.27 - Step 6: Final answer
x = 1,601,875,940.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.