Finding the Fourth Proportional to 2,347,759,611.61, 3,239,864,677.68 and 1,290,464,981.08
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Solution
The fourth proportional to 2,347,759,611.61, 3,239,864,677.68 and 1,290,464,981.08 is: 1,780,817,716.31
Step by Step Solution
- Step 1: Write the proportion equation
2,347,759,611.61 : 3,239,864,677.68 = 1,290,464,981.08 : x - Step 2: Convert to fraction form
2,347,759,611.61/3,239,864,677.68 = 1,290,464,981.08/x - Step 3: Cross multiply
2,347,759,611.61x = 3,239,864,677.68 × 1,290,464,981.08 - Step 4: Simplify right side
2,347,759,611.61x = 4,180,931,909,984,080,896 - Step 5: Solve for x
x = 4,180,931,909,984,080,896/2,347,759,611.61 - Step 6: Final answer
x = 1,780,817,716.31
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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.