Finding the Fourth Proportional to 6,715,888,938.40, 10,073,833,407.60 and 3,220,495,193.20
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Solution
The fourth proportional to 6,715,888,938.40, 10,073,833,407.60 and 3,220,495,193.20 is: 4,830,742,789.80
Step by Step Solution
- Step 1: Write the proportion equation
6,715,888,938.40 : 10,073,833,407.60 = 3,220,495,193.20 : x - Step 2: Convert to fraction form
6,715,888,938.40/10,073,833,407.60 = 3,220,495,193.20/x - Step 3: Cross multiply
6,715,888,938.40x = 10,073,833,407.60 × 3,220,495,193.20 - Step 4: Simplify right side
6,715,888,938.40x = 32,442,732,066,273,374,208 - Step 5: Solve for x
x = 32,442,732,066,273,374,208/6,715,888,938.40 - Step 6: Final answer
x = 4,830,742,789.80
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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.