Finding the Fourth Proportional to 1,644,773,461.92, 2,269,420,204.80 and 975,378,350.40
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Solution
The fourth proportional to 1,644,773,461.92, 2,269,420,204.80 and 975,378,350.40 is: 1,345,804,383.99
Step by Step Solution
- Step 1: Write the proportion equation
1,644,773,461.92 : 2,269,420,204.80 = 975,378,350.40 : x - Step 2: Convert to fraction form
1,644,773,461.92/2,269,420,204.80 = 975,378,350.40/x - Step 3: Cross multiply
1,644,773,461.92x = 2,269,420,204.80 × 975,378,350.40 - Step 4: Simplify right side
1,644,773,461.92x = 2,213,543,335,722,254,336 - Step 5: Solve for x
x = 2,213,543,335,722,254,336/1,644,773,461.92 - Step 6: Final answer
x = 1,345,804,383.99
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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.