Finding the Fourth Proportional to 1,864,516,829.80, 2,796,775,244.70 and 1,175,202,423.40
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Solution
The fourth proportional to 1,864,516,829.80, 2,796,775,244.70 and 1,175,202,423.40 is: 1,762,803,635.10
Step by Step Solution
- Step 1: Write the proportion equation
1,864,516,829.80 : 2,796,775,244.70 = 1,175,202,423.40 : x - Step 2: Convert to fraction form
1,864,516,829.80/2,796,775,244.70 = 1,175,202,423.40/x - Step 3: Cross multiply
1,864,516,829.80x = 2,796,775,244.70 × 1,175,202,423.40 - Step 4: Simplify right side
1,864,516,829.80x = 3,286,777,045,276,568,064 - Step 5: Solve for x
x = 3,286,777,045,276,568,064/1,864,516,829.80 - Step 6: Final answer
x = 1,762,803,635.10
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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.