Finding the Fourth Proportional to 8,931,564,396.84, 13,397,345,713.98 and 2,388,292,743.72
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Solution
The fourth proportional to 8,931,564,396.84, 13,397,345,713.98 and 2,388,292,743.72 is: 3,582,438,879.93
Step by Step Solution
- Step 1: Write the proportion equation
8,931,564,396.84 : 13,397,345,713.98 = 2,388,292,743.72 : x - Step 2: Convert to fraction form
8,931,564,396.84/13,397,345,713.98 = 2,388,292,743.72/x - Step 3: Cross multiply
8,931,564,396.84x = 13,397,345,713.98 × 2,388,292,743.72 - Step 4: Simplify right side
8,931,564,396.84x = 31,996,783,553,806,671,872 - Step 5: Solve for x
x = 31,996,783,553,806,671,872/8,931,564,396.84 - Step 6: Final answer
x = 3,582,438,879.93
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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.