Finding the Fourth Proportional to 5,670,581,512.77, 7,825,403,905.97 and 3,130,264,955.97
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Solution
The fourth proportional to 5,670,581,512.77, 7,825,403,905.97 and 3,130,264,955.97 is: 4,319,766,422.19
Step by Step Solution
- Step 1: Write the proportion equation
5,670,581,512.77 : 7,825,403,905.97 = 3,130,264,955.97 : x - Step 2: Convert to fraction form
5,670,581,512.77/7,825,403,905.97 = 3,130,264,955.97/x - Step 3: Cross multiply
5,670,581,512.77x = 7,825,403,905.97 × 3,130,264,955.97 - Step 4: Simplify right side
5,670,581,512.77x = 24,495,587,613,153,624,064 - Step 5: Solve for x
x = 24,495,587,613,153,624,064/5,670,581,512.77 - Step 6: Final answer
x = 4,319,766,422.19
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1.5x scale
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.