Finding the Fourth Proportional to 2,725,814,213.60, 4,088,721,320.40 and 2,072,779,512.80
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Solution
The fourth proportional to 2,725,814,213.60, 4,088,721,320.40 and 2,072,779,512.80 is: 3,109,169,269.20
Step by Step Solution
- Step 1: Write the proportion equation
2,725,814,213.60 : 4,088,721,320.40 = 2,072,779,512.80 : x - Step 2: Convert to fraction form
2,725,814,213.60/4,088,721,320.40 = 2,072,779,512.80/x - Step 3: Cross multiply
2,725,814,213.60x = 4,088,721,320.40 × 2,072,779,512.80 - Step 4: Simplify right side
2,725,814,213.60x = 8,475,017,786,473,684,992 - Step 5: Solve for x
x = 8,475,017,786,473,684,992/2,725,814,213.60 - Step 6: Final answer
x = 3,109,169,269.20
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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.