Finding the Fourth Proportional to 726,952,344.70, 1,090,727,115.45 and 267,110,808.70
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Solution
The fourth proportional to 726,952,344.70, 1,090,727,115.45 and 267,110,808.70 is: 400,775,929.82
Step by Step Solution
- Step 1: Write the proportion equation
726,952,344.70 : 1,090,727,115.45 = 267,110,808.70 : x - Step 2: Convert to fraction form
726,952,344.70/1,090,727,115.45 = 267,110,808.70/x - Step 3: Cross multiply
726,952,344.70x = 1,090,727,115.45 × 267,110,808.70 - Step 4: Simplify right side
726,952,344.70x = 291,345,001,878,867,776 - Step 5: Solve for x
x = 291,345,001,878,867,776/726,952,344.70 - Step 6: Final answer
x = 400,775,929.82
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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.