Finding the Fourth Proportional to 7,766,043,153.80, 11,649,064,730.70 and 2,862,236,280.20
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Solution
The fourth proportional to 7,766,043,153.80, 11,649,064,730.70 and 2,862,236,280.20 is: 4,293,354,420.30
Step by Step Solution
- Step 1: Write the proportion equation
7,766,043,153.80 : 11,649,064,730.70 = 2,862,236,280.20 : x - Step 2: Convert to fraction form
7,766,043,153.80/11,649,064,730.70 = 2,862,236,280.20/x - Step 3: Cross multiply
7,766,043,153.80x = 11,649,064,730.70 × 2,862,236,280.20 - Step 4: Simplify right side
7,766,043,153.80x = 33,342,375,702,607,781,888 - Step 5: Solve for x
x = 33,342,375,702,607,781,888/7,766,043,153.80 - Step 6: Final answer
x = 4,293,354,420.30
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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.