Finding the Fourth Proportional to 3,613,919,681.97, 5,408,197,239.96 and 2,903,121,657.55
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Solution
The fourth proportional to 3,613,919,681.97, 5,408,197,239.96 and 2,903,121,657.55 is: 4,344,494,597.92
Step by Step Solution
- Step 1: Write the proportion equation
3,613,919,681.97 : 5,408,197,239.96 = 2,903,121,657.55 : x - Step 2: Convert to fraction form
3,613,919,681.97/5,408,197,239.96 = 2,903,121,657.55/x - Step 3: Cross multiply
3,613,919,681.97x = 5,408,197,239.96 × 2,903,121,657.55 - Step 4: Simplify right side
3,613,919,681.97x = 15,700,654,535,636,500,480 - Step 5: Solve for x
x = 15,700,654,535,636,500,480/3,613,919,681.97 - Step 6: Final answer
x = 4,344,494,597.92
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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.