Finding the Fourth Proportional to 924,379,050.20, 1,274,899,277.21 and 812,630,958.23
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Solution
The fourth proportional to 924,379,050.20, 1,274,899,277.21 and 812,630,958.23 is: 1,120,776,829.66
Step by Step Solution
- Step 1: Write the proportion equation
924,379,050.20 : 1,274,899,277.21 = 812,630,958.23 : x - Step 2: Convert to fraction form
924,379,050.20/1,274,899,277.21 = 812,630,958.23/x - Step 3: Cross multiply
924,379,050.20x = 1,274,899,277.21 × 812,630,958.23 - Step 4: Simplify right side
924,379,050.20x = 1,036,022,621,285,020,672 - Step 5: Solve for x
x = 1,036,022,621,285,020,672/924,379,050.20 - Step 6: Final answer
x = 1,120,776,829.66
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1.5x scale
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.