Finding the Fourth Proportional to 5,552,447,407.20, 8,328,377,780.13 and 1,821,247,311.49
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Solution
The fourth proportional to 5,552,447,407.20, 8,328,377,780.13 and 1,821,247,311.49 is: 2,731,774,752.42
Step by Step Solution
- Step 1: Write the proportion equation
5,552,447,407.20 : 8,328,377,780.13 = 1,821,247,311.49 : x - Step 2: Convert to fraction form
5,552,447,407.20/8,328,377,780.13 = 1,821,247,311.49/x - Step 3: Cross multiply
5,552,447,407.20x = 8,328,377,780.13 × 1,821,247,311.49 - Step 4: Simplify right side
5,552,447,407.20x = 15,168,035,641,134,817,280 - Step 5: Solve for x
x = 15,168,035,641,134,817,280/5,552,447,407.20 - Step 6: Final answer
x = 2,731,774,752.42
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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.