Finding the Fourth Proportional to 1,506,043,097.70, 2,259,064,646.55 and 536,344,793.70
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Solution
The fourth proportional to 1,506,043,097.70, 2,259,064,646.55 and 536,344,793.70 is: 804,517,190.55
Step by Step Solution
- Step 1: Write the proportion equation
1,506,043,097.70 : 2,259,064,646.55 = 536,344,793.70 : x - Step 2: Convert to fraction form
1,506,043,097.70/2,259,064,646.55 = 536,344,793.70/x - Step 3: Cross multiply
1,506,043,097.70x = 2,259,064,646.55 × 536,344,793.70 - Step 4: Simplify right side
1,506,043,097.70x = 1,211,637,561,808,823,296 - Step 5: Solve for x
x = 1,211,637,561,808,823,296/1,506,043,097.70 - Step 6: Final answer
x = 804,517,190.55
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Double scale
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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.