Finding the Fourth Proportional to 2,558,965,250.62, 3,838,591,459.77 and 718,574,437.18
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Solution
The fourth proportional to 2,558,965,250.62, 3,838,591,459.77 and 718,574,437.18 is: 1,077,901,975.07
Step by Step Solution
- Step 1: Write the proportion equation
2,558,965,250.62 : 3,838,591,459.77 = 718,574,437.18 : x - Step 2: Convert to fraction form
2,558,965,250.62/3,838,591,459.77 = 718,574,437.18/x - Step 3: Cross multiply
2,558,965,250.62x = 3,838,591,459.77 × 718,574,437.18 - Step 4: Simplify right side
2,558,965,250.62x = 2,758,313,697,768,182,272 - Step 5: Solve for x
x = 2,758,313,697,768,182,272/2,558,965,250.62 - Step 6: Final answer
x = 1,077,901,975.07
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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.