Finding the Fourth Proportional to 2,587,289,609.40, 3,880,934,414.10 and 951,175,663.80
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Solution
The fourth proportional to 2,587,289,609.40, 3,880,934,414.10 and 951,175,663.80 is: 1,426,763,495.70
Step by Step Solution
- Step 1: Write the proportion equation
2,587,289,609.40 : 3,880,934,414.10 = 951,175,663.80 : x - Step 2: Convert to fraction form
2,587,289,609.40/3,880,934,414.10 = 951,175,663.80/x - Step 3: Cross multiply
2,587,289,609.40x = 3,880,934,414.10 × 951,175,663.80 - Step 4: Simplify right side
2,587,289,609.40x = 3,691,450,367,495,831,552 - Step 5: Solve for x
x = 3,691,450,367,495,831,552/2,587,289,609.40 - Step 6: Final answer
x = 1,426,763,495.70
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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.