Finding the Fourth Proportional to 679,526,553,862, 1,019,424,105,921.60 and 249,267,633,193.84
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Solution
The fourth proportional to 679,526,553,862, 1,019,424,105,921.60 and 249,267,633,193.84 is: 373,950,705,325.09
Step by Step Solution
- Step 1: Write the proportion equation
679,526,553,862 : 1,019,424,105,921.60 = 249,267,633,193.84 : x - Step 2: Convert to fraction form
679,526,553,862/1,019,424,105,921.60 = 249,267,633,193.84/x - Step 3: Cross multiply
679,526,553,862x = 1,019,424,105,921.60 × 249,267,633,193.84 - Step 4: Simplify right side
679,526,553,862x = 254,109,434,103,823,673,065,472 - Step 5: Solve for x
x = 254,109,434,103,823,673,065,472/679,526,553,862 - Step 6: Final answer
x = 373,950,705,325.09
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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.