Finding the Fourth Proportional to 7,920,596,886,231.60, 11,880,895,329,348 and 2,832,681,088,292.40
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Solution
The fourth proportional to 7,920,596,886,231.60, 11,880,895,329,348 and 2,832,681,088,292.40 is: 4,249,021,632,438.82
Step by Step Solution
- Step 1: Write the proportion equation
7,920,596,886,231.60 : 11,880,895,329,348 = 2,832,681,088,292.40 : x - Step 2: Convert to fraction form
7,920,596,886,231.60/11,880,895,329,348 = 2,832,681,088,292.40/x - Step 3: Cross multiply
7,920,596,886,231.60x = 11,880,895,329,348 × 2,832,681,088,292.40 - Step 4: Simplify right side
7,920,596,886,231.60x = 33,654,787,511,425,584,041,295,872 - Step 5: Solve for x
x = 33,654,787,511,425,584,041,295,872/7,920,596,886,231.60 - Step 6: Final answer
x = 4,249,021,632,438.82
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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.