Finding the Fourth Proportional to 497,595,437.80, 746,393,156.70 and 221,246,117.80
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Solution
The fourth proportional to 497,595,437.80, 746,393,156.70 and 221,246,117.80 is: 331,869,176.70
Step by Step Solution
- Step 1: Write the proportion equation
497,595,437.80 : 746,393,156.70 = 221,246,117.80 : x - Step 2: Convert to fraction form
497,595,437.80/746,393,156.70 = 221,246,117.80/x - Step 3: Cross multiply
497,595,437.80x = 746,393,156.70 × 221,246,117.80 - Step 4: Simplify right side
497,595,437.80x = 165,136,588,272,362,080 - Step 5: Solve for x
x = 165,136,588,272,362,080/497,595,437.80 - Step 6: Final answer
x = 331,869,176.70
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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.