Finding the Fourth Proportional to 7,129,545,403.41, 10,689,957,586.08 and 3,399,977,495.97
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Solution
The fourth proportional to 7,129,545,403.41, 10,689,957,586.08 and 3,399,977,495.97 is: 5,097,886,775.24
Step by Step Solution
- Step 1: Write the proportion equation
7,129,545,403.41 : 10,689,957,586.08 = 3,399,977,495.97 : x - Step 2: Convert to fraction form
7,129,545,403.41/10,689,957,586.08 = 3,399,977,495.97/x - Step 3: Cross multiply
7,129,545,403.41x = 10,689,957,586.08 × 3,399,977,495.97 - Step 4: Simplify right side
7,129,545,403.41x = 36,345,615,225,545,781,248 - Step 5: Solve for x
x = 36,345,615,225,545,781,248/7,129,545,403.41 - Step 6: Final answer
x = 5,097,886,775.24
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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.