Finding the Fourth Proportional to 577,279,510.18, 796,651,966.82 and 339,134,732.80
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Solution
The fourth proportional to 577,279,510.18, 796,651,966.82 and 339,134,732.80 is: 468,009,598.71
Step by Step Solution
- Step 1: Write the proportion equation
577,279,510.18 : 796,651,966.82 = 339,134,732.80 : x - Step 2: Convert to fraction form
577,279,510.18/796,651,966.82 = 339,134,732.80/x - Step 3: Cross multiply
577,279,510.18x = 796,651,966.82 × 339,134,732.80 - Step 4: Simplify right side
577,279,510.18x = 270,172,351,903,527,168 - Step 5: Solve for x
x = 270,172,351,903,527,168/577,279,510.18 - Step 6: Final answer
x = 468,009,598.71
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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.