Finding the Fourth Proportional to 528,669,901.08, 792,885,265.92 and 201,028,564.44
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Solution
The fourth proportional to 528,669,901.08, 792,885,265.92 and 201,028,564.44 is: 301,497,373.78
Step by Step Solution
- Step 1: Write the proportion equation
528,669,901.08 : 792,885,265.92 = 201,028,564.44 : x - Step 2: Convert to fraction form
528,669,901.08/792,885,265.92 = 201,028,564.44/x - Step 3: Cross multiply
528,669,901.08x = 792,885,265.92 × 201,028,564.44 - Step 4: Simplify right side
528,669,901.08x = 159,392,586,773,525,248 - Step 5: Solve for x
x = 159,392,586,773,525,248/528,669,901.08 - Step 6: Final answer
x = 301,497,373.78
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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.