Finding the Fourth Proportional to 3,605,102,986.68, 5,407,163,570.07 and 948,936,641.58
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Solution
The fourth proportional to 3,605,102,986.68, 5,407,163,570.07 and 948,936,641.58 is: 1,423,275,744.86
Step by Step Solution
- Step 1: Write the proportion equation
3,605,102,986.68 : 5,407,163,570.07 = 948,936,641.58 : x - Step 2: Convert to fraction form
3,605,102,986.68/5,407,163,570.07 = 948,936,641.58/x - Step 3: Cross multiply
3,605,102,986.68x = 5,407,163,570.07 × 948,936,641.58 - Step 4: Simplify right side
3,605,102,986.68x = 5,131,055,638,655,948,800 - Step 5: Solve for x
x = 5,131,055,638,655,948,800/3,605,102,986.68 - Step 6: Final answer
x = 1,423,275,744.86
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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.