Finding the Fourth Proportional to 3,941,624,883.60, 5,439,694,841.64 and 2,270,843,663.76
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Solution
The fourth proportional to 3,941,624,883.60, 5,439,694,841.64 and 2,270,843,663.76 is: 3,133,909,727.26
Step by Step Solution
- Step 1: Write the proportion equation
3,941,624,883.60 : 5,439,694,841.64 = 2,270,843,663.76 : x - Step 2: Convert to fraction form
3,941,624,883.60/5,439,694,841.64 = 2,270,843,663.76/x - Step 3: Cross multiply
3,941,624,883.60x = 5,439,694,841.64 × 2,270,843,663.76 - Step 4: Simplify right side
3,941,624,883.60x = 12,352,696,563,926,153,216 - Step 5: Solve for x
x = 12,352,696,563,926,153,216/3,941,624,883.60 - Step 6: Final answer
x = 3,133,909,727.26
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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.