Finding the Fourth Proportional to 77,262,592,842.40, 115,893,889,263.60 and 27,577,536,023.20
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Solution
The fourth proportional to 77,262,592,842.40, 115,893,889,263.60 and 27,577,536,023.20 is: 41,366,304,034.80
Step by Step Solution
- Step 1: Write the proportion equation
77,262,592,842.40 : 115,893,889,263.60 = 27,577,536,023.20 : x - Step 2: Convert to fraction form
77,262,592,842.40/115,893,889,263.60 = 27,577,536,023.20/x - Step 3: Cross multiply
77,262,592,842.40x = 115,893,889,263.60 × 27,577,536,023.20 - Step 4: Simplify right side
77,262,592,842.40x = 3,196,067,906,035,681,067,008 - Step 5: Solve for x
x = 3,196,067,906,035,681,067,008/77,262,592,842.40 - Step 6: Final answer
x = 41,366,304,034.80
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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.