Finding the Fourth Proportional to 1,787,520,431.08, 2,466,739,541.41 and 1,034,865,343.36
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Solution
The fourth proportional to 1,787,520,431.08, 2,466,739,541.41 and 1,034,865,343.36 is: 1,428,091,795.83
Step by Step Solution
- Step 1: Write the proportion equation
1,787,520,431.08 : 2,466,739,541.41 = 1,034,865,343.36 : x - Step 2: Convert to fraction form
1,787,520,431.08/2,466,739,541.41 = 1,034,865,343.36/x - Step 3: Cross multiply
1,787,520,431.08x = 2,466,739,541.41 × 1,034,865,343.36 - Step 4: Simplify right side
1,787,520,431.08x = 2,552,743,262,500,948,480 - Step 5: Solve for x
x = 2,552,743,262,500,948,480/1,787,520,431.08 - Step 6: Final answer
x = 1,428,091,795.83
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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.