Finding the Fourth Proportional to 4,855,012,854.97, 7,279,570,275.66 and 1,903,756,825.75
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Solution
The fourth proportional to 4,855,012,854.97, 7,279,570,275.66 and 1,903,756,825.75 is: 2,854,478,868.50
Step by Step Solution
- Step 1: Write the proportion equation
4,855,012,854.97 : 7,279,570,275.66 = 1,903,756,825.75 : x - Step 2: Convert to fraction form
4,855,012,854.97/7,279,570,275.66 = 1,903,756,825.75/x - Step 3: Cross multiply
4,855,012,854.97x = 7,279,570,275.66 × 1,903,756,825.75 - Step 4: Simplify right side
4,855,012,854.97x = 13,858,531,600,814,534,656 - Step 5: Solve for x
x = 13,858,531,600,814,534,656/4,855,012,854.97 - Step 6: Final answer
x = 2,854,478,868.50
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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.