Finding the Fourth Proportional to 2,087,326,607.49, 2,880,512,571.60 and 1,147,545,238.77
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Solution
The fourth proportional to 2,087,326,607.49, 2,880,512,571.60 and 1,147,545,238.77 is: 1,583,613,448.37
Step by Step Solution
- Step 1: Write the proportion equation
2,087,326,607.49 : 2,880,512,571.60 = 1,147,545,238.77 : x - Step 2: Convert to fraction form
2,087,326,607.49/2,880,512,571.60 = 1,147,545,238.77/x - Step 3: Cross multiply
2,087,326,607.49x = 2,880,512,571.60 × 1,147,545,238.77 - Step 4: Simplify right side
2,087,326,607.49x = 3,305,518,486,756,708,352 - Step 5: Solve for x
x = 3,305,518,486,756,708,352/2,087,326,607.49 - Step 6: Final answer
x = 1,583,613,448.37
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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.