Finding the Fourth Proportional to 878,137,552.97, 1,212,101,177.09 and 564,871,766.52
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Solution
The fourth proportional to 878,137,552.97, 1,212,101,177.09 and 564,871,766.52 is: 779,697,589.28
Step by Step Solution
- Step 1: Write the proportion equation
878,137,552.97 : 1,212,101,177.09 = 564,871,766.52 : x - Step 2: Convert to fraction form
878,137,552.97/1,212,101,177.09 = 564,871,766.52/x - Step 3: Cross multiply
878,137,552.97x = 1,212,101,177.09 × 564,871,766.52 - Step 4: Simplify right side
878,137,552.97x = 684,681,733,100,975,232 - Step 5: Solve for x
x = 684,681,733,100,975,232/878,137,552.97 - Step 6: Final answer
x = 779,697,589.28
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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.