Finding the Fourth Proportional to 982,432,843.36, 1,355,876,209.60 and 559,149,425.28
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Solution
The fourth proportional to 982,432,843.36, 1,355,876,209.60 and 559,149,425.28 is: 771,693,870.45
Step by Step Solution
- Step 1: Write the proportion equation
982,432,843.36 : 1,355,876,209.60 = 559,149,425.28 : x - Step 2: Convert to fraction form
982,432,843.36/1,355,876,209.60 = 559,149,425.28/x - Step 3: Cross multiply
982,432,843.36x = 1,355,876,209.60 × 559,149,425.28 - Step 4: Simplify right side
982,432,843.36x = 758,137,403,348,664,704 - Step 5: Solve for x
x = 758,137,403,348,664,704/982,432,843.36 - Step 6: Final answer
x = 771,693,870.45
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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.