Finding the Fourth Proportional to 7,428,303,789.12, 10,251,058,884.12 and 4,086,730,326.96
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Solution
The fourth proportional to 7,428,303,789.12, 10,251,058,884.12 and 4,086,730,326.96 is: 5,639,687,661.47
Step by Step Solution
- Step 1: Write the proportion equation
7,428,303,789.12 : 10,251,058,884.12 = 4,086,730,326.96 : x - Step 2: Convert to fraction form
7,428,303,789.12/10,251,058,884.12 = 4,086,730,326.96/x - Step 3: Cross multiply
7,428,303,789.12x = 10,251,058,884.12 × 4,086,730,326.96 - Step 4: Simplify right side
7,428,303,789.12x = 41,893,313,225,185,943,552 - Step 5: Solve for x
x = 41,893,313,225,185,943,552/7,428,303,789.12 - Step 6: Final answer
x = 5,639,687,661.47
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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.