Finding the Fourth Proportional to 8,580,135,678.02, 12,869,853,216.87 and 2,985,353,306.18
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Solution
The fourth proportional to 8,580,135,678.02, 12,869,853,216.87 and 2,985,353,306.18 is: 4,477,908,076.61
Step by Step Solution
- Step 1: Write the proportion equation
8,580,135,678.02 : 12,869,853,216.87 = 2,985,353,306.18 : x - Step 2: Convert to fraction form
8,580,135,678.02/12,869,853,216.87 = 2,985,353,306.18/x - Step 3: Cross multiply
8,580,135,678.02x = 12,869,853,216.87 × 2,985,353,306.18 - Step 4: Simplify right side
8,580,135,678.02x = 38,421,058,851,034,161,152 - Step 5: Solve for x
x = 38,421,058,851,034,161,152/8,580,135,678.02 - Step 6: Final answer
x = 4,477,908,076.61
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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.