Finding the Fourth Proportional to 648,674,535.20, 895,170,575.79 and 351,316,791.14
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Solution
The fourth proportional to 648,674,535.20, 895,170,575.79 and 351,316,791.14 is: 484,817,018.62
Step by Step Solution
- Step 1: Write the proportion equation
648,674,535.20 : 895,170,575.79 = 351,316,791.14 : x - Step 2: Convert to fraction form
648,674,535.20/895,170,575.79 = 351,316,791.14/x - Step 3: Cross multiply
648,674,535.20x = 895,170,575.79 × 351,316,791.14 - Step 4: Simplify right side
648,674,535.20x = 314,488,454,205,013,120 - Step 5: Solve for x
x = 314,488,454,205,013,120/648,674,535.20 - Step 6: Final answer
x = 484,817,018.62
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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.