Finding the Fourth Proportional to 353,130,905,115.20, 529,696,357,672.80 and 353,130,905,115.20
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Solution
The fourth proportional to 353,130,905,115.20, 529,696,357,672.80 and 353,130,905,115.20 is: 529,696,357,672.80
Step by Step Solution
- Step 1: Write the proportion equation
353,130,905,115.20 : 529,696,357,672.80 = 353,130,905,115.20 : x - Step 2: Convert to fraction form
353,130,905,115.20/529,696,357,672.80 = 353,130,905,115.20/x - Step 3: Cross multiply
353,130,905,115.20x = 529,696,357,672.80 × 353,130,905,115.20 - Step 4: Simplify right side
353,130,905,115.20x = 187,052,154,221,220,568,498,176 - Step 5: Solve for x
x = 187,052,154,221,220,568,498,176/353,130,905,115.20 - Step 6: Final answer
x = 529,696,357,672.80
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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.