Finding the Fourth Proportional to 559,657,415.20, 839,486,122.80 and 268,374,603.10
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Solution
The fourth proportional to 559,657,415.20, 839,486,122.80 and 268,374,603.10 is: 402,561,904.65
Step by Step Solution
- Step 1: Write the proportion equation
559,657,415.20 : 839,486,122.80 = 268,374,603.10 : x - Step 2: Convert to fraction form
559,657,415.20/839,486,122.80 = 268,374,603.10/x - Step 3: Cross multiply
559,657,415.20x = 839,486,122.80 × 268,374,603.10 - Step 4: Simplify right side
559,657,415.20x = 225,296,755,014,407,840 - Step 5: Solve for x
x = 225,296,755,014,407,840/559,657,415.20 - Step 6: Final answer
x = 402,561,904.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.