Finding the Fourth Proportional to 918,064,967,415.68, 1,267,335,957,799.50 and 593,062,761,506.84
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Solution
The fourth proportional to 918,064,967,415.68, 1,267,335,957,799.50 and 593,062,761,506.84 is: 818,689,079,276.43
Step by Step Solution
- Step 1: Write the proportion equation
918,064,967,415.68 : 1,267,335,957,799.50 = 593,062,761,506.84 : x - Step 2: Convert to fraction form
918,064,967,415.68/1,267,335,957,799.50 = 593,062,761,506.84/x - Step 3: Cross multiply
918,064,967,415.68x = 1,267,335,957,799.50 × 593,062,761,506.84 - Step 4: Simplify right side
918,064,967,415.68x = 751,609,762,889,487,406,333,952 - Step 5: Solve for x
x = 751,609,762,889,487,406,333,952/918,064,967,415.68 - Step 6: Final answer
x = 818,689,079,276.43
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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.