Finding the Fourth Proportional to 665,343,150.65, 998,014,725.98 and 493,156,266.65
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Solution
The fourth proportional to 665,343,150.65, 998,014,725.98 and 493,156,266.65 is: 739,734,399.98
Step by Step Solution
- Step 1: Write the proportion equation
665,343,150.65 : 998,014,725.98 = 493,156,266.65 : x - Step 2: Convert to fraction form
665,343,150.65/998,014,725.98 = 493,156,266.65/x - Step 3: Cross multiply
665,343,150.65x = 998,014,725.98 × 493,156,266.65 - Step 4: Simplify right side
665,343,150.65x = 492,177,216,323,553,792 - Step 5: Solve for x
x = 492,177,216,323,553,792/665,343,150.65 - Step 6: Final answer
x = 739,734,399.98
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1.5x scale
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.