Finding the Fourth Proportional to 2,011,566,279.70, 3,017,349,419.55 and 1,236,725,301.70
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Solution
The fourth proportional to 2,011,566,279.70, 3,017,349,419.55 and 1,236,725,301.70 is: 1,855,087,952.55
Step by Step Solution
- Step 1: Write the proportion equation
2,011,566,279.70 : 3,017,349,419.55 = 1,236,725,301.70 : x - Step 2: Convert to fraction form
2,011,566,279.70/3,017,349,419.55 = 1,236,725,301.70/x - Step 3: Cross multiply
2,011,566,279.70x = 3,017,349,419.55 × 1,236,725,301.70 - Step 4: Simplify right side
2,011,566,279.70x = 3,731,632,371,227,294,208 - Step 5: Solve for x
x = 3,731,632,371,227,294,208/2,011,566,279.70 - Step 6: Final answer
x = 1,855,087,952.55
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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.