Finding the Fourth Proportional to 662,703,402,359.64, 914,553,260,216.12 and 384,584,432,888.78
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Solution
The fourth proportional to 662,703,402,359.64, 914,553,260,216.12 and 384,584,432,888.78 is: 530,739,612,433.63
Step by Step Solution
- Step 1: Write the proportion equation
662,703,402,359.64 : 914,553,260,216.12 = 384,584,432,888.78 : x - Step 2: Convert to fraction form
662,703,402,359.64/914,553,260,216.12 = 384,584,432,888.78/x - Step 3: Cross multiply
662,703,402,359.64x = 914,553,260,216.12 × 384,584,432,888.78 - Step 4: Simplify right side
662,703,402,359.64x = 351,722,946,926,801,347,149,824 - Step 5: Solve for x
x = 351,722,946,926,801,347,149,824/662,703,402,359.64 - Step 6: Final answer
x = 530,739,612,433.63
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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.