Finding the Fourth Proportional to 2,973,123,561.68, 4,103,018,386.29 and 1,703,209,979.65
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Solution
The fourth proportional to 2,973,123,561.68, 4,103,018,386.29 and 1,703,209,979.65 is: 2,350,491,567.95
Step by Step Solution
- Step 1: Write the proportion equation
2,973,123,561.68 : 4,103,018,386.29 = 1,703,209,979.65 : x - Step 2: Convert to fraction form
2,973,123,561.68/4,103,018,386.29 = 1,703,209,979.65/x - Step 3: Cross multiply
2,973,123,561.68x = 4,103,018,386.29 × 1,703,209,979.65 - Step 4: Simplify right side
2,973,123,561.68x = 6,988,301,862,216,566,784 - Step 5: Solve for x
x = 6,988,301,862,216,566,784/2,973,123,561.68 - Step 6: Final answer
x = 2,350,491,567.95
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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.