Finding the Fourth Proportional to 709,971,228.87, 1,065,071,278.44 and 218,684,270.08
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Solution
The fourth proportional to 709,971,228.87, 1,065,071,278.44 and 218,684,270.08 is: 328,061,653.26
Step by Step Solution
- Step 1: Write the proportion equation
709,971,228.87 : 1,065,071,278.44 = 218,684,270.08 : x - Step 2: Convert to fraction form
709,971,228.87/1,065,071,278.44 = 218,684,270.08/x - Step 3: Cross multiply
709,971,228.87x = 1,065,071,278.44 × 218,684,270.08 - Step 4: Simplify right side
709,971,228.87x = 232,914,335,108,823,872 - Step 5: Solve for x
x = 232,914,335,108,823,872/709,971,228.87 - Step 6: Final answer
x = 328,061,653.26
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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.