Finding the Fourth Proportional to 368,605,875.12, 508,672,668.74 and 201,342,072.28
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Solution
The fourth proportional to 368,605,875.12, 508,672,668.74 and 201,342,072.28 is: 277,850,181.32
Step by Step Solution
- Step 1: Write the proportion equation
368,605,875.12 : 508,672,668.74 = 201,342,072.28 : x - Step 2: Convert to fraction form
368,605,875.12/508,672,668.74 = 201,342,072.28/x - Step 3: Cross multiply
368,605,875.12x = 508,672,668.74 × 201,342,072.28 - Step 4: Simplify right side
368,605,875.12x = 102,417,209,236,309,584 - Step 5: Solve for x
x = 102,417,209,236,309,584/368,605,875.12 - Step 6: Final answer
x = 277,850,181.32
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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.