Finding the Fourth Proportional to 880,128,750.30, 1,320,193,125.45 and 880,128,750.30
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Solution
The fourth proportional to 880,128,750.30, 1,320,193,125.45 and 880,128,750.30 is: 1,320,193,125.45
Step by Step Solution
- Step 1: Write the proportion equation
880,128,750.30 : 1,320,193,125.45 = 880,128,750.30 : x - Step 2: Convert to fraction form
880,128,750.30/1,320,193,125.45 = 880,128,750.30/x - Step 3: Cross multiply
880,128,750.30x = 1,320,193,125.45 × 880,128,750.30 - Step 4: Simplify right side
880,128,750.30x = 1,161,939,925,656,959,488 - Step 5: Solve for x
x = 1,161,939,925,656,959,488/880,128,750.30 - Step 6: Final answer
x = 1,320,193,125.45
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1.5x scale
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.