Finding the Fourth Proportional to 873,690,832.62, 1,310,541,148.44 and 291,423,479.67
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Solution
The fourth proportional to 873,690,832.62, 1,310,541,148.44 and 291,423,479.67 is: 437,136,853.76
Step by Step Solution
- Step 1: Write the proportion equation
873,690,832.62 : 1,310,541,148.44 = 291,423,479.67 : x - Step 2: Convert to fraction form
873,690,832.62/1,310,541,148.44 = 291,423,479.67/x - Step 3: Cross multiply
873,690,832.62x = 1,310,541,148.44 × 291,423,479.67 - Step 4: Simplify right side
873,690,832.62x = 381,922,461,729,102,848 - Step 5: Solve for x
x = 381,922,461,729,102,848/873,690,832.62 - Step 6: Final answer
x = 437,136,853.76
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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.