Finding the Fourth Proportional to 432,709,367.21, 596,908,640.93 and 263,215,425.17
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Solution
The fourth proportional to 432,709,367.21, 596,908,640.93 and 263,215,425.17 is: 363,097,204.76
Step by Step Solution
- Step 1: Write the proportion equation
432,709,367.21 : 596,908,640.93 = 263,215,425.17 : x - Step 2: Convert to fraction form
432,709,367.21/596,908,640.93 = 263,215,425.17/x - Step 3: Cross multiply
432,709,367.21x = 596,908,640.93 × 263,215,425.17 - Step 4: Simplify right side
432,709,367.21x = 157,115,561,705,736,192 - Step 5: Solve for x
x = 157,115,561,705,736,192/432,709,367.21 - Step 6: Final answer
x = 363,097,204.76
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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.