Finding the Fourth Proportional to 449,826,366.48, 674,831,577.60 and 154,683,154.74
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Solution
The fourth proportional to 449,826,366.48, 674,831,577.60 and 154,683,154.74 is: 232,056,378.02
Step by Step Solution
- Step 1: Write the proportion equation
449,826,366.48 : 674,831,577.60 = 154,683,154.74 : x - Step 2: Convert to fraction form
449,826,366.48/674,831,577.60 = 154,683,154.74/x - Step 3: Cross multiply
449,826,366.48x = 674,831,577.60 × 154,683,154.74 - Step 4: Simplify right side
449,826,366.48x = 104,385,077,341,339,120 - Step 5: Solve for x
x = 104,385,077,341,339,120/449,826,366.48 - Step 6: Final answer
x = 232,056,378.02
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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.