Finding the Fourth Proportional to 746,512,010.40, 1,119,768,015.60 and 528,833,776.80
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Solution
The fourth proportional to 746,512,010.40, 1,119,768,015.60 and 528,833,776.80 is: 793,250,665.20
Step by Step Solution
- Step 1: Write the proportion equation
746,512,010.40 : 1,119,768,015.60 = 528,833,776.80 : x - Step 2: Convert to fraction form
746,512,010.40/1,119,768,015.60 = 528,833,776.80/x - Step 3: Cross multiply
746,512,010.40x = 1,119,768,015.60 × 528,833,776.80 - Step 4: Simplify right side
746,512,010.40x = 592,171,148,829,589,248 - Step 5: Solve for x
x = 592,171,148,829,589,248/746,512,010.40 - Step 6: Final answer
x = 793,250,665.20
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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.