Finding the Fourth Proportional to 589,049,434.05, 812,893,718.57 and 324,740,917.14
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Solution
The fourth proportional to 589,049,434.05, 812,893,718.57 and 324,740,917.14 is: 448,145,497.55
Step by Step Solution
- Step 1: Write the proportion equation
589,049,434.05 : 812,893,718.57 = 324,740,917.14 : x - Step 2: Convert to fraction form
589,049,434.05/812,893,718.57 = 324,740,917.14/x - Step 3: Cross multiply
589,049,434.05x = 812,893,718.57 × 324,740,917.14 - Step 4: Simplify right side
589,049,434.05x = 263,979,851,704,143,136 - Step 5: Solve for x
x = 263,979,851,704,143,136/589,049,434.05 - Step 6: Final answer
x = 448,145,497.55
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1.5x scale
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.