Finding the Fourth Proportional to 1,512,934,456.35, 2,088,519,033.30 and 977,347,266.57
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Solution
The fourth proportional to 1,512,934,456.35, 2,088,519,033.30 and 977,347,266.57 is: 1,349,171,710.52
Step by Step Solution
- Step 1: Write the proportion equation
1,512,934,456.35 : 2,088,519,033.30 = 977,347,266.57 : x - Step 2: Convert to fraction form
1,512,934,456.35/2,088,519,033.30 = 977,347,266.57/x - Step 3: Cross multiply
1,512,934,456.35x = 2,088,519,033.30 × 977,347,266.57 - Step 4: Simplify right side
1,512,934,456.35x = 2,041,208,368,375,173,888 - Step 5: Solve for x
x = 2,041,208,368,375,173,888/1,512,934,456.35 - Step 6: Final answer
x = 1,349,171,710.52
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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.