Finding the Fourth Proportional to 7,720,641,060.84, 11,575,674,599.76 and 3,931,699,090.68
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Solution
The fourth proportional to 7,720,641,060.84, 11,575,674,599.76 and 3,931,699,090.68 is: 5,894,856,261.19
Step by Step Solution
- Step 1: Write the proportion equation
7,720,641,060.84 : 11,575,674,599.76 = 3,931,699,090.68 : x - Step 2: Convert to fraction form
7,720,641,060.84/11,575,674,599.76 = 3,931,699,090.68/x - Step 3: Cross multiply
7,720,641,060.84x = 11,575,674,599.76 × 3,931,699,090.68 - Step 4: Simplify right side
7,720,641,060.84x = 45,512,069,297,883,963,392 - Step 5: Solve for x
x = 45,512,069,297,883,963,392/7,720,641,060.84 - Step 6: Final answer
x = 5,894,856,261.19
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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.