Finding the Fourth Proportional to 5,326,845,969.37, 7,992,043,467.64 and 1,785,937,787.14
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Solution
The fourth proportional to 5,326,845,969.37, 7,992,043,467.64 and 1,785,937,787.14 is: 2,679,501,623.92
Step by Step Solution
- Step 1: Write the proportion equation
5,326,845,969.37 : 7,992,043,467.64 = 1,785,937,787.14 : x - Step 2: Convert to fraction form
5,326,845,969.37/7,992,043,467.64 = 1,785,937,787.14/x - Step 3: Cross multiply
5,326,845,969.37x = 7,992,043,467.64 × 1,785,937,787.14 - Step 4: Simplify right side
5,326,845,969.37x = 14,273,292,425,308,157,952 - Step 5: Solve for x
x = 14,273,292,425,308,157,952/5,326,845,969.37 - Step 6: Final answer
x = 2,679,501,623.92
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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.