Finding the Fourth Proportional to 8,317,115,602.51, 12,475,564,431.02 and 2,021,526,537.42
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Solution
The fourth proportional to 8,317,115,602.51, 12,475,564,431.02 and 2,021,526,537.42 is: 3,032,263,319.62
Step by Step Solution
- Step 1: Write the proportion equation
8,317,115,602.51 : 12,475,564,431.02 = 2,021,526,537.42 : x - Step 2: Convert to fraction form
8,317,115,602.51/12,475,564,431.02 = 2,021,526,537.42/x - Step 3: Cross multiply
8,317,115,602.51x = 12,475,564,431.02 × 2,021,526,537.42 - Step 4: Simplify right side
8,317,115,602.51x = 25,219,684,566,550,540,288 - Step 5: Solve for x
x = 25,219,684,566,550,540,288/8,317,115,602.51 - Step 6: Final answer
x = 3,032,263,319.62
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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.