Finding the Fourth Proportional to 1,447,004,471.62, 2,170,520,042.64 and 411,865,069.62
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Solution
The fourth proportional to 1,447,004,471.62, 2,170,520,042.64 and 411,865,069.62 is: 617,801,400.07
Step by Step Solution
- Step 1: Write the proportion equation
1,447,004,471.62 : 2,170,520,042.64 = 411,865,069.62 : x - Step 2: Convert to fraction form
1,447,004,471.62/2,170,520,042.64 = 411,865,069.62/x - Step 3: Cross multiply
1,447,004,471.62x = 2,170,520,042.64 × 411,865,069.62 - Step 4: Simplify right side
1,447,004,471.62x = 893,961,388,473,528,960 - Step 5: Solve for x
x = 893,961,388,473,528,960/1,447,004,471.62 - Step 6: Final answer
x = 617,801,400.07
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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.