Finding the Fourth Proportional to 6,625,152,013.60, 9,937,728,020.40 and 2,029,125,440.80
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Solution
The fourth proportional to 6,625,152,013.60, 9,937,728,020.40 and 2,029,125,440.80 is: 3,043,688,161.20
Step by Step Solution
- Step 1: Write the proportion equation
6,625,152,013.60 : 9,937,728,020.40 = 2,029,125,440.80 : x - Step 2: Convert to fraction form
6,625,152,013.60/9,937,728,020.40 = 2,029,125,440.80/x - Step 3: Cross multiply
6,625,152,013.60x = 9,937,728,020.40 × 2,029,125,440.80 - Step 4: Simplify right side
6,625,152,013.60x = 20,164,896,749,944,659,968 - Step 5: Solve for x
x = 20,164,896,749,944,659,968/6,625,152,013.60 - Step 6: Final answer
x = 3,043,688,161.20
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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.