Finding the Fourth Proportional to 2,451,341,487.91, 3,382,571,898.05 and 1,379,437,778.79
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Solution
The fourth proportional to 2,451,341,487.91, 3,382,571,898.05 and 1,379,437,778.79 is: 1,903,466,933.78
Step by Step Solution
- Step 1: Write the proportion equation
2,451,341,487.91 : 3,382,571,898.05 = 1,379,437,778.79 : x - Step 2: Convert to fraction form
2,451,341,487.91/3,382,571,898.05 = 1,379,437,778.79/x - Step 3: Cross multiply
2,451,341,487.91x = 3,382,571,898.05 × 1,379,437,778.79 - Step 4: Simplify right side
2,451,341,487.91x = 4,666,047,465,643,566,080 - Step 5: Solve for x
x = 4,666,047,465,643,566,080/2,451,341,487.91 - Step 6: Final answer
x = 1,903,466,933.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.