Finding the Fourth Proportional to 865,627,783.04, 1,193,869,803.84 and 760,982,107.52
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Solution
The fourth proportional to 865,627,783.04, 1,193,869,803.84 and 760,982,107.52 is: 1,049,542,975.90
Step by Step Solution
- Step 1: Write the proportion equation
865,627,783.04 : 1,193,869,803.84 = 760,982,107.52 : x - Step 2: Convert to fraction form
865,627,783.04/1,193,869,803.84 = 760,982,107.52/x - Step 3: Cross multiply
865,627,783.04x = 1,193,869,803.84 × 760,982,107.52 - Step 4: Simplify right side
865,627,783.04x = 908,513,559,430,652,160 - Step 5: Solve for x
x = 908,513,559,430,652,160/865,627,783.04 - Step 6: Final answer
x = 1,049,542,975.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.