Finding the Fourth Proportional to 1,275,945,536, 1,913,918,301.84 and 306,597,152
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Solution
The fourth proportional to 1,275,945,536, 1,913,918,301.84 and 306,597,152 is: 459,895,727.48
Step by Step Solution
- Step 1: Write the proportion equation
1,275,945,536 : 1,913,918,301.84 = 306,597,152 : x - Step 2: Convert to fraction form
1,275,945,536/1,913,918,301.84 = 306,597,152/x - Step 3: Cross multiply
1,275,945,536x = 1,913,918,301.84 × 306,597,152 - Step 4: Simplify right side
1,275,945,536x = 586,801,900,504,820,352 - Step 5: Solve for x
x = 586,801,900,504,820,352/1,275,945,536 - Step 6: Final answer
x = 459,895,727.48
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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.