Finding the Fourth Proportional to 461,679,437.12, 637,105,281.64 and 263,437,330.10
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Solution
The fourth proportional to 461,679,437.12, 637,105,281.64 and 263,437,330.10 is: 363,536,473.34
Step by Step Solution
- Step 1: Write the proportion equation
461,679,437.12 : 637,105,281.64 = 263,437,330.10 : x - Step 2: Convert to fraction form
461,679,437.12/637,105,281.64 = 263,437,330.10/x - Step 3: Cross multiply
461,679,437.12x = 637,105,281.64 × 263,437,330.10 - Step 4: Simplify right side
461,679,437.12x = 167,837,314,384,006,048 - Step 5: Solve for x
x = 167,837,314,384,006,048/461,679,437.12 - Step 6: Final answer
x = 363,536,473.34
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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.