Finding the Fourth Proportional to 2,834,354,416.80, 4,251,531,625.20 and 1,439,640,656.40
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Solution
The fourth proportional to 2,834,354,416.80, 4,251,531,625.20 and 1,439,640,656.40 is: 2,159,460,984.60
Step by Step Solution
- Step 1: Write the proportion equation
2,834,354,416.80 : 4,251,531,625.20 = 1,439,640,656.40 : x - Step 2: Convert to fraction form
2,834,354,416.80/4,251,531,625.20 = 1,439,640,656.40/x - Step 3: Cross multiply
2,834,354,416.80x = 4,251,531,625.20 × 1,439,640,656.40 - Step 4: Simplify right side
2,834,354,416.80x = 6,120,677,779,608,287,232 - Step 5: Solve for x
x = 6,120,677,779,608,287,232/2,834,354,416.80 - Step 6: Final answer
x = 2,159,460,984.60
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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.