Finding the Fourth Proportional to 468,075,545.76, 645,946,410.98 and 259,227,310.08
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Solution
The fourth proportional to 468,075,545.76, 645,946,410.98 and 259,227,310.08 is: 357,734,882.95
Step by Step Solution
- Step 1: Write the proportion equation
468,075,545.76 : 645,946,410.98 = 259,227,310.08 : x - Step 2: Convert to fraction form
468,075,545.76/645,946,410.98 = 259,227,310.08/x - Step 3: Cross multiply
468,075,545.76x = 645,946,410.98 × 259,227,310.08 - Step 4: Simplify right side
468,075,545.76x = 167,446,950,574,175,584 - Step 5: Solve for x
x = 167,446,950,574,175,584/468,075,545.76 - Step 6: Final answer
x = 357,734,882.95
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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.