Finding the Fourth Proportional to 2,013,143,081.52, 2,776,706,378.34 and 1,343,750,626.74
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Solution
The fourth proportional to 2,013,143,081.52, 2,776,706,378.34 and 1,343,750,626.74 is: 1,853,420,638.81
Step by Step Solution
- Step 1: Write the proportion equation
2,013,143,081.52 : 2,776,706,378.34 = 1,343,750,626.74 : x - Step 2: Convert to fraction form
2,013,143,081.52/2,776,706,378.34 = 1,343,750,626.74/x - Step 3: Cross multiply
2,013,143,081.52x = 2,776,706,378.34 × 1,343,750,626.74 - Step 4: Simplify right side
2,013,143,081.52x = 3,731,200,936,167,330,816 - Step 5: Solve for x
x = 3,731,200,936,167,330,816/2,013,143,081.52 - Step 6: Final answer
x = 1,853,420,638.81
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.