Finding the Fourth Proportional to 735,474,578.56, 1,014,966,171.84 and 400,947,326.08
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Solution
The fourth proportional to 735,474,578.56, 1,014,966,171.84 and 400,947,326.08 is: 553,313,444.85
Step by Step Solution
- Step 1: Write the proportion equation
735,474,578.56 : 1,014,966,171.84 = 400,947,326.08 : x - Step 2: Convert to fraction form
735,474,578.56/1,014,966,171.84 = 400,947,326.08/x - Step 3: Cross multiply
735,474,578.56x = 1,014,966,171.84 × 400,947,326.08 - Step 4: Simplify right side
735,474,578.56x = 406,947,972,660,901,760 - Step 5: Solve for x
x = 406,947,972,660,901,760/735,474,578.56 - Step 6: Final answer
x = 553,313,444.85
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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.