Finding the Fourth Proportional to 1,651,918,103.68, 2,477,866,130.88 and 669,330,146.56
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Solution
The fourth proportional to 1,651,918,103.68, 2,477,866,130.88 and 669,330,146.56 is: 1,003,990,752.84
Step by Step Solution
- Step 1: Write the proportion equation
1,651,918,103.68 : 2,477,866,130.88 = 669,330,146.56 : x - Step 2: Convert to fraction form
1,651,918,103.68/2,477,866,130.88 = 669,330,146.56/x - Step 3: Cross multiply
1,651,918,103.68x = 2,477,866,130.88 × 669,330,146.56 - Step 4: Simplify right side
1,651,918,103.68x = 1,658,510,500,537,970,432 - Step 5: Solve for x
x = 1,658,510,500,537,970,432/1,651,918,103.68 - Step 6: Final answer
x = 1,003,990,752.84
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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.