Finding the Fourth Proportional to 746,496,563.20, 1,119,744,844.80 and 526,728,140.80
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Solution
The fourth proportional to 746,496,563.20, 1,119,744,844.80 and 526,728,140.80 is: 790,092,211.20
Step by Step Solution
- Step 1: Write the proportion equation
746,496,563.20 : 1,119,744,844.80 = 526,728,140.80 : x - Step 2: Convert to fraction form
746,496,563.20/1,119,744,844.80 = 526,728,140.80/x - Step 3: Cross multiply
746,496,563.20x = 1,119,744,844.80 × 526,728,140.80 - Step 4: Simplify right side
746,496,563.20x = 589,801,120,271,888,512 - Step 5: Solve for x
x = 589,801,120,271,888,512/746,496,563.20 - Step 6: Final answer
x = 790,092,211.20
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Double scale
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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.