Finding the Fourth Proportional to 2,128,513,751.48, 2,916,015,127.43 and 2,048,933,282.96
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Solution
The fourth proportional to 2,128,513,751.48, 2,916,015,127.43 and 2,048,933,282.96 is: 2,806,991,706.79
Step by Step Solution
- Step 1: Write the proportion equation
2,128,513,751.48 : 2,916,015,127.43 = 2,048,933,282.96 : x - Step 2: Convert to fraction form
2,128,513,751.48/2,916,015,127.43 = 2,048,933,282.96/x - Step 3: Cross multiply
2,128,513,751.48x = 2,916,015,127.43 × 2,048,933,282.96 - Step 4: Simplify right side
2,128,513,751.48x = 5,974,720,448,181,348,352 - Step 5: Solve for x
x = 5,974,720,448,181,348,352/2,128,513,751.48 - Step 6: Final answer
x = 2,806,991,706.79
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.