Finding the Fourth Proportional to 55,462,440,287.61, 76,531,710,575.35 and 31,049,187,356.68
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Solution
The fourth proportional to 55,462,440,287.61, 76,531,710,575.35 and 31,049,187,356.68 is: 42,844,263,758.66
Step by Step Solution
- Step 1: Write the proportion equation
55,462,440,287.61 : 76,531,710,575.35 = 31,049,187,356.68 : x - Step 2: Convert to fraction form
55,462,440,287.61/76,531,710,575.35 = 31,049,187,356.68/x - Step 3: Cross multiply
55,462,440,287.61x = 76,531,710,575.35 × 31,049,187,356.68 - Step 4: Simplify right side
55,462,440,287.61x = 2,376,247,420,381,250,453,504 - Step 5: Solve for x
x = 2,376,247,420,381,250,453,504/55,462,440,287.61 - Step 6: Final answer
x = 42,844,263,758.66
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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.