Finding the Fourth Proportional to 2,807,692,748.08, 4,211,798,024.38 and 916,898,830.83
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Solution
The fourth proportional to 2,807,692,748.08, 4,211,798,024.38 and 916,898,830.83 is: 1,375,432,795.09
Step by Step Solution
- Step 1: Write the proportion equation
2,807,692,748.08 : 4,211,798,024.38 = 916,898,830.83 : x - Step 2: Convert to fraction form
2,807,692,748.08/4,211,798,024.38 = 916,898,830.83/x - Step 3: Cross multiply
2,807,692,748.08x = 4,211,798,024.38 × 916,898,830.83 - Step 4: Simplify right side
2,807,692,748.08x = 3,861,792,684,241,541,632 - Step 5: Solve for x
x = 3,861,792,684,241,541,632/2,807,692,748.08 - Step 6: Final answer
x = 1,375,432,795.09
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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.