Finding the Fourth Proportional to 5,411,434,705.35, 8,115,161,115.28 and 1,869,274,793.67
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Solution
The fourth proportional to 5,411,434,705.35, 8,115,161,115.28 and 1,869,274,793.67 is: 2,803,224,458.08
Step by Step Solution
- Step 1: Write the proportion equation
5,411,434,705.35 : 8,115,161,115.28 = 1,869,274,793.67 : x - Step 2: Convert to fraction form
5,411,434,705.35/8,115,161,115.28 = 1,869,274,793.67/x - Step 3: Cross multiply
5,411,434,705.35x = 8,115,161,115.28 × 1,869,274,793.67 - Step 4: Simplify right side
5,411,434,705.35x = 15,169,466,119,363,829,760 - Step 5: Solve for x
x = 15,169,466,119,363,829,760/5,411,434,705.35 - Step 6: Final answer
x = 2,803,224,458.08
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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.