Finding the Fourth Proportional to 737,282,891.62, 1,017,409,555.20 and 402,688,794.70
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Solution
The fourth proportional to 737,282,891.62, 1,017,409,555.20 and 402,688,794.70 is: 555,688,233.32
Step by Step Solution
- Step 1: Write the proportion equation
737,282,891.62 : 1,017,409,555.20 = 402,688,794.70 : x - Step 2: Convert to fraction form
737,282,891.62/1,017,409,555.20 = 402,688,794.70/x - Step 3: Cross multiply
737,282,891.62x = 1,017,409,555.20 × 402,688,794.70 - Step 4: Simplify right side
737,282,891.62x = 409,699,427,499,751,104 - Step 5: Solve for x
x = 409,699,427,499,751,104/737,282,891.62 - Step 6: Final answer
x = 555,688,233.32
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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.