Finding the Fourth Proportional to 4,942,448,030.40, 7,413,558,688.80 and 2,488,125,854.40
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Solution
The fourth proportional to 4,942,448,030.40, 7,413,558,688.80 and 2,488,125,854.40 is: 3,732,131,715.55
Step by Step Solution
- Step 1: Write the proportion equation
4,942,448,030.40 : 7,413,558,688.80 = 2,488,125,854.40 : x - Step 2: Convert to fraction form
4,942,448,030.40/7,413,558,688.80 = 2,488,125,854.40/x - Step 3: Cross multiply
4,942,448,030.40x = 7,413,558,688.80 × 2,488,125,854.40 - Step 4: Simplify right side
4,942,448,030.40x = 18,445,867,046,715,045,888 - Step 5: Solve for x
x = 18,445,867,046,715,045,888/4,942,448,030.40 - Step 6: Final answer
x = 3,732,131,715.55
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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.