Finding the Fourth Proportional to 973,766,257,219.60, 1,343,239,128,508.60 and 607,324,272,135.40
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Solution
The fourth proportional to 973,766,257,219.60, 1,343,239,128,508.60 and 607,324,272,135.40 is: 837,759,287,690.44
Step by Step Solution
- Step 1: Write the proportion equation
973,766,257,219.60 : 1,343,239,128,508.60 = 607,324,272,135.40 : x - Step 2: Convert to fraction form
973,766,257,219.60/1,343,239,128,508.60 = 607,324,272,135.40/x - Step 3: Cross multiply
973,766,257,219.60x = 1,343,239,128,508.60 × 607,324,272,135.40 - Step 4: Simplify right side
973,766,257,219.60x = 815,781,726,025,274,567,426,048 - Step 5: Solve for x
x = 815,781,726,025,274,567,426,048/973,766,257,219.60 - Step 6: Final answer
x = 837,759,287,690.44
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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.