Finding the Fourth Proportional to 678,304,310,900.58, 1,017,756,926,946.20 and 355,530,415,794.79
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Solution
The fourth proportional to 678,304,310,900.58, 1,017,756,926,946.20 and 355,530,415,794.79 is: 533,453,108,877.92
Step by Step Solution
- Step 1: Write the proportion equation
678,304,310,900.58 : 1,017,756,926,946.20 = 355,530,415,794.79 : x - Step 2: Convert to fraction form
678,304,310,900.58/1,017,756,926,946.20 = 355,530,415,794.79/x - Step 3: Cross multiply
678,304,310,900.58x = 1,017,756,926,946.20 × 355,530,415,794.79 - Step 4: Simplify right side
678,304,310,900.58x = 361,843,543,415,210,142,334,976 - Step 5: Solve for x
x = 361,843,543,415,210,142,334,976/678,304,310,900.58 - Step 6: Final answer
x = 533,453,108,877.92
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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.