Finding the Fourth Proportional to 28,013,624,214,162, 38,660,016,626,366 and 15,513,354,254,670
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Solution
The fourth proportional to 28,013,624,214,162, 38,660,016,626,366 and 15,513,354,254,670 is: 21,409,101,829,568.07
Step by Step Solution
- Step 1: Write the proportion equation
28,013,624,214,162 : 38,660,016,626,366 = 15,513,354,254,670 : x - Step 2: Convert to fraction form
28,013,624,214,162/38,660,016,626,366 = 15,513,354,254,670/x - Step 3: Cross multiply
28,013,624,214,162x = 38,660,016,626,366 × 15,513,354,254,670 - Step 4: Simplify right side
28,013,624,214,162x = 599,746,533,416,247,915,259,625,472 - Step 5: Solve for x
x = 599,746,533,416,247,915,259,625,472/28,013,624,214,162 - Step 6: Final answer
x = 21,409,101,829,568.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.