Finding the Fourth Proportional to 2,558,114,057.84, 3,837,537,121.70 and 787,634,579.09
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Solution
The fourth proportional to 2,558,114,057.84, 3,837,537,121.70 and 787,634,579.09 is: 1,181,564,569.55
Step by Step Solution
- Step 1: Write the proportion equation
2,558,114,057.84 : 3,837,537,121.70 = 787,634,579.09 : x - Step 2: Convert to fraction form
2,558,114,057.84/3,837,537,121.70 = 787,634,579.09/x - Step 3: Cross multiply
2,558,114,057.84x = 3,837,537,121.70 × 787,634,579.09 - Step 4: Simplify right side
2,558,114,057.84x = 3,022,576,935,604,071,424 - Step 5: Solve for x
x = 3,022,576,935,604,071,424/2,558,114,057.84 - Step 6: Final answer
x = 1,181,564,569.55
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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.