Finding the Fourth Proportional to 890,594,936.08, 1,228,979,373.04 and 494,113,706.08
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Solution
The fourth proportional to 890,594,936.08, 1,228,979,373.04 and 494,113,706.08 is: 681,853,812.67
Step by Step Solution
- Step 1: Write the proportion equation
890,594,936.08 : 1,228,979,373.04 = 494,113,706.08 : x - Step 2: Convert to fraction form
890,594,936.08/1,228,979,373.04 = 494,113,706.08/x - Step 3: Cross multiply
890,594,936.08x = 1,228,979,373.04 × 494,113,706.08 - Step 4: Simplify right side
890,594,936.08x = 607,255,552,708,669,184 - Step 5: Solve for x
x = 607,255,552,708,669,184/890,594,936.08 - Step 6: Final answer
x = 681,853,812.67
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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.