Finding the Fourth Proportional to 874,255,646.63, 1,311,239,827.11 and 313,901,476.04
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Solution
The fourth proportional to 874,255,646.63, 1,311,239,827.11 and 313,901,476.04 is: 470,800,639.10
Step by Step Solution
- Step 1: Write the proportion equation
874,255,646.63 : 1,311,239,827.11 = 313,901,476.04 : x - Step 2: Convert to fraction form
874,255,646.63/1,311,239,827.11 = 313,901,476.04/x - Step 3: Cross multiply
874,255,646.63x = 1,311,239,827.11 × 313,901,476.04 - Step 4: Simplify right side
874,255,646.63x = 411,600,117,172,263,424 - Step 5: Solve for x
x = 411,600,117,172,263,424/874,255,646.63 - Step 6: Final answer
x = 470,800,639.10
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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.