Finding the Fourth Proportional to 7,855,263,368,843.50, 10,838,691,257,856 and 4,386,348,737,898.50
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Solution
The fourth proportional to 7,855,263,368,843.50, 10,838,691,257,856 and 4,386,348,737,898.50 is: 6,052,283,352,832.72
Step by Step Solution
- Step 1: Write the proportion equation
7,855,263,368,843.50 : 10,838,691,257,856 = 4,386,348,737,898.50 : x - Step 2: Convert to fraction form
7,855,263,368,843.50/10,838,691,257,856 = 4,386,348,737,898.50/x - Step 3: Cross multiply
7,855,263,368,843.50x = 10,838,691,257,856 × 4,386,348,737,898.50 - Step 4: Simplify right side
7,855,263,368,843.50x = 47,542,279,719,368,172,695,977,984 - Step 5: Solve for x
x = 47,542,279,719,368,172,695,977,984/7,855,263,368,843.50 - Step 6: Final answer
x = 6,052,283,352,832.72
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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.