Finding the Fourth Proportional to 7,984,103,613.80, 11,976,155,420.70 and 4,884,739,701.80
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Solution
The fourth proportional to 7,984,103,613.80, 11,976,155,420.70 and 4,884,739,701.80 is: 7,327,109,552.70
Step by Step Solution
- Step 1: Write the proportion equation
7,984,103,613.80 : 11,976,155,420.70 = 4,884,739,701.80 : x - Step 2: Convert to fraction form
7,984,103,613.80/11,976,155,420.70 = 4,884,739,701.80/x - Step 3: Cross multiply
7,984,103,613.80x = 11,976,155,420.70 × 4,884,739,701.80 - Step 4: Simplify right side
7,984,103,613.80x = 58,500,401,858,420,580,352 - Step 5: Solve for x
x = 58,500,401,858,420,580,352/7,984,103,613.80 - Step 6: Final answer
x = 7,327,109,552.70
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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.