Finding the Fourth Proportional to 7,028,193,068.22, 10,542,243,937.77 and 1,787,756,506.14
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Solution
The fourth proportional to 7,028,193,068.22, 10,542,243,937.77 and 1,787,756,506.14 is: 2,681,623,143.55
Step by Step Solution
- Step 1: Write the proportion equation
7,028,193,068.22 : 10,542,243,937.77 = 1,787,756,506.14 : x - Step 2: Convert to fraction form
7,028,193,068.22/10,542,243,937.77 = 1,787,756,506.14/x - Step 3: Cross multiply
7,028,193,068.22x = 10,542,243,937.77 × 1,787,756,506.14 - Step 4: Simplify right side
7,028,193,068.22x = 18,846,965,189,063,290,880 - Step 5: Solve for x
x = 18,846,965,189,063,290,880/7,028,193,068.22 - Step 6: Final answer
x = 2,681,623,143.55
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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.