Finding the Fourth Proportional to 756,916,488.56, 1,135,383,830.80 and 297,071,220.08
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Solution
The fourth proportional to 756,916,488.56, 1,135,383,830.80 and 297,071,220.08 is: 445,610,400.85
Step by Step Solution
- Step 1: Write the proportion equation
756,916,488.56 : 1,135,383,830.80 = 297,071,220.08 : x - Step 2: Convert to fraction form
756,916,488.56/1,135,383,830.80 = 297,071,220.08/x - Step 3: Cross multiply
756,916,488.56x = 1,135,383,830.80 × 297,071,220.08 - Step 4: Simplify right side
756,916,488.56x = 337,289,859,874,860,224 - Step 5: Solve for x
x = 337,289,859,874,860,224/756,916,488.56 - Step 6: Final answer
x = 445,610,400.85
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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.