Finding the Fourth Proportional to 1,513,113,794.85, 2,088,148,881.24 and 877,986,441.48
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Solution
The fourth proportional to 1,513,113,794.85, 2,088,148,881.24 and 877,986,441.48 is: 1,211,651,372.00
Step by Step Solution
- Step 1: Write the proportion equation
1,513,113,794.85 : 2,088,148,881.24 = 877,986,441.48 : x - Step 2: Convert to fraction form
1,513,113,794.85/2,088,148,881.24 = 877,986,441.48/x - Step 3: Cross multiply
1,513,113,794.85x = 2,088,148,881.24 × 877,986,441.48 - Step 4: Simplify right side
1,513,113,794.85x = 1,833,366,405,520,350,720 - Step 5: Solve for x
x = 1,833,366,405,520,350,720/1,513,113,794.85 - Step 6: Final answer
x = 1,211,651,372.00
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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.