Finding the Fourth Proportional to 921,632,532,302.88, 1,389,356,623,456.20 and 860,196,252,091.68
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Solution
The fourth proportional to 921,632,532,302.88, 1,389,356,623,456.20 and 860,196,252,091.68 is: 1,296,741,725,608.94
Step by Step Solution
- Step 1: Write the proportion equation
921,632,532,302.88 : 1,389,356,623,456.20 = 860,196,252,091.68 : x - Step 2: Convert to fraction form
921,632,532,302.88/1,389,356,623,456.20 = 860,196,252,091.68/x - Step 3: Cross multiply
921,632,532,302.88x = 1,389,356,623,456.20 × 860,196,252,091.68 - Step 4: Simplify right side
921,632,532,302.88x = 1,195,119,360,315,774,795,251,712 - Step 5: Solve for x
x = 1,195,119,360,315,774,795,251,712/921,632,532,302.88 - Step 6: Final answer
x = 1,296,741,725,608.94
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.