Finding the Fourth Proportional to 3,476,650,779.70, 5,214,976,169.55 and 2,660,357,403.70
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Solution
The fourth proportional to 3,476,650,779.70, 5,214,976,169.55 and 2,660,357,403.70 is: 3,990,536,105.55
Step by Step Solution
- Step 1: Write the proportion equation
3,476,650,779.70 : 5,214,976,169.55 = 2,660,357,403.70 : x - Step 2: Convert to fraction form
3,476,650,779.70/5,214,976,169.55 = 2,660,357,403.70/x - Step 3: Cross multiply
3,476,650,779.70x = 5,214,976,169.55 × 2,660,357,403.70 - Step 4: Simplify right side
3,476,650,779.70x = 13,873,700,462,781,409,280 - Step 5: Solve for x
x = 13,873,700,462,781,409,280/3,476,650,779.70 - Step 6: Final answer
x = 3,990,536,105.55
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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.