Finding the Fourth Proportional to 13,430,063,422.20, 20,145,095,133.30 and 10,624,432,855.80
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Solution
The fourth proportional to 13,430,063,422.20, 20,145,095,133.30 and 10,624,432,855.80 is: 15,936,649,283.70
Step by Step Solution
- Step 1: Write the proportion equation
13,430,063,422.20 : 20,145,095,133.30 = 10,624,432,855.80 : x - Step 2: Convert to fraction form
13,430,063,422.20/20,145,095,133.30 = 10,624,432,855.80/x - Step 3: Cross multiply
13,430,063,422.20x = 20,145,095,133.30 × 10,624,432,855.80 - Step 4: Simplify right side
13,430,063,422.20x = 214,030,210,617,449,185,280 - Step 5: Solve for x
x = 214,030,210,617,449,185,280/13,430,063,422.20 - Step 6: Final answer
x = 15,936,649,283.70
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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.