Finding the Fourth Proportional to 2,497,431,280.12, 3,746,377,197.50 and 816,725,485.38
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Solution
The fourth proportional to 2,497,431,280.12, 3,746,377,197.50 and 816,725,485.38 is: 1,225,163,534.79
Step by Step Solution
- Step 1: Write the proportion equation
2,497,431,280.12 : 3,746,377,197.50 = 816,725,485.38 : x - Step 2: Convert to fraction form
2,497,431,280.12/3,746,377,197.50 = 816,725,485.38/x - Step 3: Cross multiply
2,497,431,280.12x = 3,746,377,197.50 × 816,725,485.38 - Step 4: Simplify right side
2,497,431,280.12x = 3,059,761,735,044,751,360 - Step 5: Solve for x
x = 3,059,761,735,044,751,360/2,497,431,280.12 - Step 6: Final answer
x = 1,225,163,534.79
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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.