Finding the Fourth Proportional to 1,374,875,545.98, 2,062,257,390.09 and 339,710,359.26
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Solution
The fourth proportional to 1,374,875,545.98, 2,062,257,390.09 and 339,710,359.26 is: 509,551,719.73
Step by Step Solution
- Step 1: Write the proportion equation
1,374,875,545.98 : 2,062,257,390.09 = 339,710,359.26 : x - Step 2: Convert to fraction form
1,374,875,545.98/2,062,257,390.09 = 339,710,359.26/x - Step 3: Cross multiply
1,374,875,545.98x = 2,062,257,390.09 × 339,710,359.26 - Step 4: Simplify right side
1,374,875,545.98x = 700,570,198,874,063,872 - Step 5: Solve for x
x = 700,570,198,874,063,872/1,374,875,545.98 - Step 6: Final answer
x = 509,551,719.73
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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.