Finding the Fourth Proportional to 4,272,912,197.80, 6,409,368,296.70 and 3,225,335,698.60
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Solution
The fourth proportional to 4,272,912,197.80, 6,409,368,296.70 and 3,225,335,698.60 is: 4,838,003,547.90
Step by Step Solution
- Step 1: Write the proportion equation
4,272,912,197.80 : 6,409,368,296.70 = 3,225,335,698.60 : x - Step 2: Convert to fraction form
4,272,912,197.80/6,409,368,296.70 = 3,225,335,698.60/x - Step 3: Cross multiply
4,272,912,197.80x = 6,409,368,296.70 × 3,225,335,698.60 - Step 4: Simplify right side
4,272,912,197.80x = 20,672,364,372,821,585,920 - Step 5: Solve for x
x = 20,672,364,372,821,585,920/4,272,912,197.80 - Step 6: Final answer
x = 4,838,003,547.90
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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.