Finding the Fourth Proportional to 4,265,833,265.80, 6,398,749,898.70 and 2,199,590,657.80
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Solution
The fourth proportional to 4,265,833,265.80, 6,398,749,898.70 and 2,199,590,657.80 is: 3,299,385,986.70
Step by Step Solution
- Step 1: Write the proportion equation
4,265,833,265.80 : 6,398,749,898.70 = 2,199,590,657.80 : x - Step 2: Convert to fraction form
4,265,833,265.80/6,398,749,898.70 = 2,199,590,657.80/x - Step 3: Cross multiply
4,265,833,265.80x = 6,398,749,898.70 × 2,199,590,657.80 - Step 4: Simplify right side
4,265,833,265.80x = 14,074,630,498,779,217,920 - Step 5: Solve for x
x = 14,074,630,498,779,217,920/4,265,833,265.80 - Step 6: Final answer
x = 3,299,385,986.70
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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.