Finding the Fourth Proportional to 2,808,715,694.32, 3,876,090,288.42 and 1,603,032,756.04
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Solution
The fourth proportional to 2,808,715,694.32, 3,876,090,288.42 and 1,603,032,756.04 is: 2,212,220,948.62
Step by Step Solution
- Step 1: Write the proportion equation
2,808,715,694.32 : 3,876,090,288.42 = 1,603,032,756.04 : x - Step 2: Convert to fraction form
2,808,715,694.32/3,876,090,288.42 = 1,603,032,756.04/x - Step 3: Cross multiply
2,808,715,694.32x = 3,876,090,288.42 × 1,603,032,756.04 - Step 4: Simplify right side
2,808,715,694.32x = 6,213,499,697,705,791,488 - Step 5: Solve for x
x = 6,213,499,697,705,791,488/2,808,715,694.32 - Step 6: Final answer
x = 2,212,220,948.62
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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.