Finding the Fourth Proportional to 802,763,258,838.70, 1,107,842,530,963.70 and 436,939,788,148.80
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Solution
The fourth proportional to 802,763,258,838.70, 1,107,842,530,963.70 and 436,939,788,148.80 is: 602,992,819,429.44
Step by Step Solution
- Step 1: Write the proportion equation
802,763,258,838.70 : 1,107,842,530,963.70 = 436,939,788,148.80 : x - Step 2: Convert to fraction form
802,763,258,838.70/1,107,842,530,963.70 = 436,939,788,148.80/x - Step 3: Cross multiply
802,763,258,838.70x = 1,107,842,530,963.70 × 436,939,788,148.80 - Step 4: Simplify right side
802,763,258,838.70x = 484,060,480,781,509,462,065,152 - Step 5: Solve for x
x = 484,060,480,781,509,462,065,152/802,763,258,838.70 - Step 6: Final answer
x = 602,992,819,429.44
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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.