Finding the Fourth Proportional to 2,087,165,411,576.70, 3,131,201,024,789.20 and 634,990,332,258.54
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Solution
The fourth proportional to 2,087,165,411,576.70, 3,131,201,024,789.20 and 634,990,332,258.54 is: 952,623,289,017.22
Step by Step Solution
- Step 1: Write the proportion equation
2,087,165,411,576.70 : 3,131,201,024,789.20 = 634,990,332,258.54 : x - Step 2: Convert to fraction form
2,087,165,411,576.70/3,131,201,024,789.20 = 634,990,332,258.54/x - Step 3: Cross multiply
2,087,165,411,576.70x = 3,131,201,024,789.20 × 634,990,332,258.54 - Step 4: Simplify right side
2,087,165,411,576.70x = 1,988,282,379,099,175,215,169,536 - Step 5: Solve for x
x = 1,988,282,379,099,175,215,169,536/2,087,165,411,576.70 - Step 6: Final answer
x = 952,623,289,017.22
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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.