Finding the Fourth Proportional to 873,839,386.07, 1,310,770,437.99 and 291,573,631.67
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Solution
The fourth proportional to 873,839,386.07, 1,310,770,437.99 and 291,573,631.67 is: 437,364,237.61
Step by Step Solution
- Step 1: Write the proportion equation
873,839,386.07 : 1,310,770,437.99 = 291,573,631.67 : x - Step 2: Convert to fraction form
873,839,386.07/1,310,770,437.99 = 291,573,631.67/x - Step 3: Cross multiply
873,839,386.07x = 1,310,770,437.99 × 291,573,631.67 - Step 4: Simplify right side
873,839,386.07x = 382,186,096,882,759,040 - Step 5: Solve for x
x = 382,186,096,882,759,040/873,839,386.07 - Step 6: Final answer
x = 437,364,237.61
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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.