Finding the Fourth Proportional to 620,657,478,117.70, 930,986,217,176.55 and 620,657,478,117.70
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Solution
The fourth proportional to 620,657,478,117.70, 930,986,217,176.55 and 620,657,478,117.70 is: 930,986,217,176.55
Step by Step Solution
- Step 1: Write the proportion equation
620,657,478,117.70 : 930,986,217,176.55 = 620,657,478,117.70 : x - Step 2: Convert to fraction form
620,657,478,117.70/930,986,217,176.55 = 620,657,478,117.70/x - Step 3: Cross multiply
620,657,478,117.70x = 930,986,217,176.55 × 620,657,478,117.70 - Step 4: Simplify right side
620,657,478,117.70x = 577,823,557,715,134,854,987,776 - Step 5: Solve for x
x = 577,823,557,715,134,854,987,776/620,657,478,117.70 - Step 6: Final answer
x = 930,986,217,176.55
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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.