Finding the Fourth Proportional to 3,957,914,897.75, 5,937,602,208.71 and 1,302,120,447.14
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Solution
The fourth proportional to 3,957,914,897.75, 5,937,602,208.71 and 1,302,120,447.14 is: 1,953,420,789.15
Step by Step Solution
- Step 1: Write the proportion equation
3,957,914,897.75 : 5,937,602,208.71 = 1,302,120,447.14 : x - Step 2: Convert to fraction form
3,957,914,897.75/5,937,602,208.71 = 1,302,120,447.14/x - Step 3: Cross multiply
3,957,914,897.75x = 5,937,602,208.71 × 1,302,120,447.14 - Step 4: Simplify right side
3,957,914,897.75x = 7,731,473,242,953,249,792 - Step 5: Solve for x
x = 7,731,473,242,953,249,792/3,957,914,897.75 - Step 6: Final answer
x = 1,953,420,789.15
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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.