Finding the Fourth Proportional to 4,748,979,136,262.70, 6,553,231,548,115 and 2,665,198,363,935.50
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Solution
The fourth proportional to 4,748,979,136,262.70, 6,553,231,548,115 and 2,665,198,363,935.50 is: 3,677,771,895,681.89
Step by Step Solution
- Step 1: Write the proportion equation
4,748,979,136,262.70 : 6,553,231,548,115 = 2,665,198,363,935.50 : x - Step 2: Convert to fraction form
4,748,979,136,262.70/6,553,231,548,115 = 2,665,198,363,935.50/x - Step 3: Cross multiply
4,748,979,136,262.70x = 6,553,231,548,115 × 2,665,198,363,935.50 - Step 4: Simplify right side
4,748,979,136,262.70x = 17,465,662,000,526,601,943,515,136 - Step 5: Solve for x
x = 17,465,662,000,526,601,943,515,136/4,748,979,136,262.70 - Step 6: Final answer
x = 3,677,771,895,681.89
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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.