Finding the Fourth Proportional to 2,600,464,512.70, 3,900,696,769.05 and 1,498,468,455.10
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Solution
The fourth proportional to 2,600,464,512.70, 3,900,696,769.05 and 1,498,468,455.10 is: 2,247,702,682.65
Step by Step Solution
- Step 1: Write the proportion equation
2,600,464,512.70 : 3,900,696,769.05 = 1,498,468,455.10 : x - Step 2: Convert to fraction form
2,600,464,512.70/3,900,696,769.05 = 1,498,468,455.10/x - Step 3: Cross multiply
2,600,464,512.70x = 3,900,696,769.05 × 1,498,468,455.10 - Step 4: Simplify right side
2,600,464,512.70x = 5,845,071,061,331,914,752 - Step 5: Solve for x
x = 5,845,071,061,331,914,752/2,600,464,512.70 - Step 6: Final answer
x = 2,247,702,682.65
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1.5x scale
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.