Finding the Fourth Proportional to 721,226,176.23, 1,081,563,487.29 and 393,526,536.06
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Solution
The fourth proportional to 721,226,176.23, 1,081,563,487.29 and 393,526,536.06 is: 590,139,330.37
Step by Step Solution
- Step 1: Write the proportion equation
721,226,176.23 : 1,081,563,487.29 = 393,526,536.06 : x - Step 2: Convert to fraction form
721,226,176.23/1,081,563,487.29 = 393,526,536.06/x - Step 3: Cross multiply
721,226,176.23x = 1,081,563,487.29 × 393,526,536.06 - Step 4: Simplify right side
721,226,176.23x = 425,623,932,682,207,552 - Step 5: Solve for x
x = 425,623,932,682,207,552/721,226,176.23 - Step 6: Final answer
x = 590,139,330.37
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1.5x scale
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.