Finding the Fourth Proportional to 1,769,273,381.12, 2,652,355,468.04 and 720,893,160.36
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Solution
The fourth proportional to 1,769,273,381.12, 2,652,355,468.04 and 720,893,160.36 is: 1,080,706,314.90
Step by Step Solution
- Step 1: Write the proportion equation
1,769,273,381.12 : 2,652,355,468.04 = 720,893,160.36 : x - Step 2: Convert to fraction form
1,769,273,381.12/2,652,355,468.04 = 720,893,160.36/x - Step 3: Cross multiply
1,769,273,381.12x = 2,652,355,468.04 × 720,893,160.36 - Step 4: Simplify right side
1,769,273,381.12x = 1,912,064,915,749,878,016 - Step 5: Solve for x
x = 1,912,064,915,749,878,016/1,769,273,381.12 - Step 6: Final answer
x = 1,080,706,314.90
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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.