Finding the Fourth Proportional to 1,760,437,515.60, 2,640,656,273.40 and 533,446,534.80
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Solution
The fourth proportional to 1,760,437,515.60, 2,640,656,273.40 and 533,446,534.80 is: 800,169,802.20
Step by Step Solution
- Step 1: Write the proportion equation
1,760,437,515.60 : 2,640,656,273.40 = 533,446,534.80 : x - Step 2: Convert to fraction form
1,760,437,515.60/2,640,656,273.40 = 533,446,534.80/x - Step 3: Cross multiply
1,760,437,515.60x = 2,640,656,273.40 × 533,446,534.80 - Step 4: Simplify right side
1,760,437,515.60x = 1,408,648,938,643,111,424 - Step 5: Solve for x
x = 1,408,648,938,643,111,424/1,760,437,515.60 - Step 6: Final answer
x = 800,169,802.20
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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.