Finding the Fourth Proportional to 6,723,862,219.82, 10,077,769,142.85 and 3,129,452,541.74
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Solution
The fourth proportional to 6,723,862,219.82, 10,077,769,142.85 and 3,129,452,541.74 is: 4,690,444,156.66
Step by Step Solution
- Step 1: Write the proportion equation
6,723,862,219.82 : 10,077,769,142.85 = 3,129,452,541.74 : x - Step 2: Convert to fraction form
6,723,862,219.82/10,077,769,142.85 = 3,129,452,541.74/x - Step 3: Cross multiply
6,723,862,219.82x = 10,077,769,142.85 × 3,129,452,541.74 - Step 4: Simplify right side
6,723,862,219.82x = 31,537,900,259,160,870,912 - Step 5: Solve for x
x = 31,537,900,259,160,870,912/6,723,862,219.82 - Step 6: Final answer
x = 4,690,444,156.66
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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.