Finding the Fourth Proportional to 4,829,011,898.40, 7,243,517,847.60 and 2,969,393,551.20
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Solution
The fourth proportional to 4,829,011,898.40, 7,243,517,847.60 and 2,969,393,551.20 is: 4,454,090,326.80
Step by Step Solution
- Step 1: Write the proportion equation
4,829,011,898.40 : 7,243,517,847.60 = 2,969,393,551.20 : x - Step 2: Convert to fraction form
4,829,011,898.40/7,243,517,847.60 = 2,969,393,551.20/x - Step 3: Cross multiply
4,829,011,898.40x = 7,243,517,847.60 × 2,969,393,551.20 - Step 4: Simplify right side
4,829,011,898.40x = 21,508,855,184,665,542,656 - Step 5: Solve for x
x = 21,508,855,184,665,542,656/4,829,011,898.40 - Step 6: Final answer
x = 4,454,090,326.80
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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.