Finding the Fourth Proportional to 3,580,991,225.40, 5,371,486,838.10 and 2,126,219,820.60
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Solution
The fourth proportional to 3,580,991,225.40, 5,371,486,838.10 and 2,126,219,820.60 is: 3,189,329,730.90
Step by Step Solution
- Step 1: Write the proportion equation
3,580,991,225.40 : 5,371,486,838.10 = 2,126,219,820.60 : x - Step 2: Convert to fraction form
3,580,991,225.40/5,371,486,838.10 = 2,126,219,820.60/x - Step 3: Cross multiply
3,580,991,225.40x = 5,371,486,838.10 × 2,126,219,820.60 - Step 4: Simplify right side
3,580,991,225.40x = 11,420,961,781,260,242,944 - Step 5: Solve for x
x = 11,420,961,781,260,242,944/3,580,991,225.40 - Step 6: Final answer
x = 3,189,329,730.90
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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.