Finding the Fourth Proportional to 973,766,257,478.86, 1,343,239,128,866.20 and 607,324,272,394.54
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Solution
The fourth proportional to 973,766,257,478.86, 1,343,239,128,866.20 and 607,324,272,394.54 is: 837,759,288,047.88
Step by Step Solution
- Step 1: Write the proportion equation
973,766,257,478.86 : 1,343,239,128,866.20 = 607,324,272,394.54 : x - Step 2: Convert to fraction form
973,766,257,478.86/1,343,239,128,866.20 = 607,324,272,394.54/x - Step 3: Cross multiply
973,766,257,478.86x = 1,343,239,128,866.20 × 607,324,272,394.54 - Step 4: Simplify right side
973,766,257,478.86x = 815,781,726,590,540,716,179,456 - Step 5: Solve for x
x = 815,781,726,590,540,716,179,456/973,766,257,478.86 - Step 6: Final answer
x = 837,759,288,047.88
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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.