Finding the Fourth Proportional to 927,148,032,326.40, 1,390,722,048,489.60 and 901,026,644,294.40
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Solution
The fourth proportional to 927,148,032,326.40, 1,390,722,048,489.60 and 901,026,644,294.40 is: 1,351,539,966,441.60
Step by Step Solution
- Step 1: Write the proportion equation
927,148,032,326.40 : 1,390,722,048,489.60 = 901,026,644,294.40 : x - Step 2: Convert to fraction form
927,148,032,326.40/1,390,722,048,489.60 = 901,026,644,294.40/x - Step 3: Cross multiply
927,148,032,326.40x = 1,390,722,048,489.60 × 901,026,644,294.40 - Step 4: Simplify right side
927,148,032,326.40x = 1,253,077,620,496,818,212,175,872 - Step 5: Solve for x
x = 1,253,077,620,496,818,212,175,872/927,148,032,326.40 - Step 6: Final answer
x = 1,351,539,966,441.60
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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.