Finding the Fourth Proportional to 3,442,260,458.70, 5,163,390,688.05 and 1,113,432,852.60
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Solution
The fourth proportional to 3,442,260,458.70, 5,163,390,688.05 and 1,113,432,852.60 is: 1,670,149,278.90
Step by Step Solution
- Step 1: Write the proportion equation
3,442,260,458.70 : 5,163,390,688.05 = 1,113,432,852.60 : x - Step 2: Convert to fraction form
3,442,260,458.70/5,163,390,688.05 = 1,113,432,852.60/x - Step 3: Cross multiply
3,442,260,458.70x = 5,163,390,688.05 × 1,113,432,852.60 - Step 4: Simplify right side
3,442,260,458.70x = 5,749,088,822,883,787,776 - Step 5: Solve for x
x = 5,749,088,822,883,787,776/3,442,260,458.70 - Step 6: Final answer
x = 1,670,149,278.90
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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.