Finding the Fourth Proportional to 1,512,183,044.80, 2,264,873,344.80 and 899,963,012.80
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Solution
The fourth proportional to 1,512,183,044.80, 2,264,873,344.80 and 899,963,012.80 is: 1,347,920,310.31
Step by Step Solution
- Step 1: Write the proportion equation
1,512,183,044.80 : 2,264,873,344.80 = 899,963,012.80 : x - Step 2: Convert to fraction form
1,512,183,044.80/2,264,873,344.80 = 899,963,012.80/x - Step 3: Cross multiply
1,512,183,044.80x = 2,264,873,344.80 × 899,963,012.80 - Step 4: Simplify right side
1,512,183,044.80x = 2,038,302,238,996,621,312 - Step 5: Solve for x
x = 2,038,302,238,996,621,312/1,512,183,044.80 - Step 6: Final answer
x = 1,347,920,310.31
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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.