Finding the Fourth Proportional to 755,909,084.70, 1,133,863,627.05 and 210,650,618.70
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Solution
The fourth proportional to 755,909,084.70, 1,133,863,627.05 and 210,650,618.70 is: 315,975,928.05
Step by Step Solution
- Step 1: Write the proportion equation
755,909,084.70 : 1,133,863,627.05 = 210,650,618.70 : x - Step 2: Convert to fraction form
755,909,084.70/1,133,863,627.05 = 210,650,618.70/x - Step 3: Cross multiply
755,909,084.70x = 1,133,863,627.05 × 210,650,618.70 - Step 4: Simplify right side
755,909,084.70x = 238,849,074,559,508,544 - Step 5: Solve for x
x = 238,849,074,559,508,544/755,909,084.70 - Step 6: Final answer
x = 315,975,928.05
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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.