Finding the Fourth Proportional to 418,246,545.70, 627,236,716.68 and 138,075,294.16
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Solution
The fourth proportional to 418,246,545.70, 627,236,716.68 and 138,075,294.16 is: 207,069,000.46
Step by Step Solution
- Step 1: Write the proportion equation
418,246,545.70 : 627,236,716.68 = 138,075,294.16 : x - Step 2: Convert to fraction form
418,246,545.70/627,236,716.68 = 138,075,294.16/x - Step 3: Cross multiply
418,246,545.70x = 627,236,716.68 × 138,075,294.16 - Step 4: Simplify right side
418,246,545.70x = 86,605,894,163,543,568 - Step 5: Solve for x
x = 86,605,894,163,543,568/418,246,545.70 - Step 6: Final answer
x = 207,069,000.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.