Finding the Fourth Proportional to 438,511,794.09, 657,850,650.36 and 176,216,763.49
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Solution
The fourth proportional to 438,511,794.09, 657,850,650.36 and 176,216,763.49 is: 264,358,482.55
Step by Step Solution
- Step 1: Write the proportion equation
438,511,794.09 : 657,850,650.36 = 176,216,763.49 : x - Step 2: Convert to fraction form
438,511,794.09/657,850,650.36 = 176,216,763.49/x - Step 3: Cross multiply
438,511,794.09x = 657,850,650.36 × 176,216,763.49 - Step 4: Simplify right side
438,511,794.09x = 115,924,312,464,586,192 - Step 5: Solve for x
x = 115,924,312,464,586,192/438,511,794.09 - Step 6: Final answer
x = 264,358,482.55
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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.