Finding the Fourth Proportional to 7,243,344,938.40, 10,865,017,407.60 and 2,073,486,890.40
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Solution
The fourth proportional to 7,243,344,938.40, 10,865,017,407.60 and 2,073,486,890.40 is: 3,110,230,335.60
Step by Step Solution
- Step 1: Write the proportion equation
7,243,344,938.40 : 10,865,017,407.60 = 2,073,486,890.40 : x - Step 2: Convert to fraction form
7,243,344,938.40/10,865,017,407.60 = 2,073,486,890.40/x - Step 3: Cross multiply
7,243,344,938.40x = 10,865,017,407.60 × 2,073,486,890.40 - Step 4: Simplify right side
7,243,344,938.40x = 22,528,471,158,626,394,112 - Step 5: Solve for x
x = 22,528,471,158,626,394,112/7,243,344,938.40 - Step 6: Final answer
x = 3,110,230,335.60
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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.