Finding the Fourth Proportional to 7,485,377,989.44, 10,329,412,386.24 and 4,097,631,917.28
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Solution
The fourth proportional to 7,485,377,989.44, 10,329,412,386.24 and 4,097,631,917.28 is: 5,654,508,020.88
Step by Step Solution
- Step 1: Write the proportion equation
7,485,377,989.44 : 10,329,412,386.24 = 4,097,631,917.28 : x - Step 2: Convert to fraction form
7,485,377,989.44/10,329,412,386.24 = 4,097,631,917.28/x - Step 3: Cross multiply
7,485,377,989.44x = 10,329,412,386.24 × 4,097,631,917.28 - Step 4: Simplify right side
7,485,377,989.44x = 42,326,129,880,604,393,472 - Step 5: Solve for x
x = 42,326,129,880,604,393,472/7,485,377,989.44 - Step 6: Final answer
x = 5,654,508,020.88
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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.