Finding the Fourth Proportional to 1,177,275,613.80, 1,765,913,420.70 and 1,153,089,143.40
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Solution
The fourth proportional to 1,177,275,613.80, 1,765,913,420.70 and 1,153,089,143.40 is: 1,729,633,715.10
Step by Step Solution
- Step 1: Write the proportion equation
1,177,275,613.80 : 1,765,913,420.70 = 1,153,089,143.40 : x - Step 2: Convert to fraction form
1,177,275,613.80/1,765,913,420.70 = 1,153,089,143.40/x - Step 3: Cross multiply
1,177,275,613.80x = 1,765,913,420.70 × 1,153,089,143.40 - Step 4: Simplify right side
1,177,275,613.80x = 2,036,255,593,593,527,040 - Step 5: Solve for x
x = 2,036,255,593,593,527,040/1,177,275,613.80 - Step 6: Final answer
x = 1,729,633,715.10
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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.