Finding the Fourth Proportional to 748,565,963.10, 1,120,696,608.60 and 727,042,602.60
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Solution
The fourth proportional to 748,565,963.10, 1,120,696,608.60 and 727,042,602.60 is: 1,088,473,453.52
Step by Step Solution
- Step 1: Write the proportion equation
748,565,963.10 : 1,120,696,608.60 = 727,042,602.60 : x - Step 2: Convert to fraction form
748,565,963.10/1,120,696,608.60 = 727,042,602.60/x - Step 3: Cross multiply
748,565,963.10x = 1,120,696,608.60 × 727,042,602.60 - Step 4: Simplify right side
748,565,963.10x = 814,794,179,041,537,536 - Step 5: Solve for x
x = 814,794,179,041,537,536/748,565,963.10 - Step 6: Final answer
x = 1,088,473,453.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.