Finding the Fourth Proportional to 1,004,028,749.80, 1,506,043,124.70 and 357,563,213.80
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Solution
The fourth proportional to 1,004,028,749.80, 1,506,043,124.70 and 357,563,213.80 is: 536,344,820.70
Step by Step Solution
- Step 1: Write the proportion equation
1,004,028,749.80 : 1,506,043,124.70 = 357,563,213.80 : x - Step 2: Convert to fraction form
1,004,028,749.80/1,506,043,124.70 = 357,563,213.80/x - Step 3: Cross multiply
1,004,028,749.80x = 1,506,043,124.70 × 357,563,213.80 - Step 4: Simplify right side
1,004,028,749.80x = 538,505,619,789,126,208 - Step 5: Solve for x
x = 538,505,619,789,126,208/1,004,028,749.80 - Step 6: Final answer
x = 536,344,820.70
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Similar ratio
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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.